How Many Moles Of Potassium Bromite { \left( KBrO_2 \right)$}$ Are In 48.5 G Of The Compound?Number Of Moles: { \square$}$
Understanding the Problem
To determine the number of moles of potassium bromite {\left( KBrO_2 \right)$}$ in 48.5 g of the compound, we need to use the concept of molar mass and the formula for calculating moles. The molar mass of a compound is the sum of the atomic masses of its constituent elements. In this case, the molar mass of potassium bromite {\left( KBrO_2 \right)$}$ can be calculated as follows:
- Potassium (K) has an atomic mass of 39.0983 g/mol
- Bromine (Br) has an atomic mass of 79.904 g/mol
- Oxygen (O) has an atomic mass of 15.999 g/mol
Calculating the Molar Mass of Potassium Bromite
The molar mass of potassium bromite {\left( KBrO_2 \right)$}$ can be calculated as follows:
Molar mass of KBrO2 = atomic mass of K + atomic mass of Br + (2 x atomic mass of O) Molar mass of KBrO2 = 39.0983 g/mol + 79.904 g/mol + (2 x 15.999 g/mol) Molar mass of KBrO2 = 39.0983 g/mol + 79.904 g/mol + 31.998 g/mol Molar mass of KBrO2 = 150.9003 g/mol
Calculating the Number of Moles of Potassium Bromite
To calculate the number of moles of potassium bromite {\left( KBrO_2 \right)$}$ in 48.5 g of the compound, we can use the formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 48.5 g / 150.9003 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 48.5 g / 150.9003 g/mol Number of moles = 0.321 mol
Conclusion
Therefore, there are 0.321 moles of potassium bromite {\left( KBrO_2 \right)$}$ in 48.5 g of the compound.
Understanding the Significance of Molar Mass
The molar mass of a compound is a critical concept in chemistry, as it allows us to calculate the number of moles of a substance in a given mass. This is particularly important in chemical reactions, where the number of moles of reactants and products must be balanced in order to ensure that the reaction occurs as expected.
Calculating the Number of Moles of Other Substances
The formula for calculating the number of moles of a substance can be applied to any substance, as long as we know the molar mass of the substance and the mass of the substance. For example, if we want to calculate the number of moles of water (H2O) in 100 g of the compound, we can use the following formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 100 g / 18.015 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 100 g / 18.015 g/mol Number of moles = 5.56 mol
Conclusion
Therefore, there are 5.56 moles of water (H2O) in 100 g of the compound.
Understanding the Importance of Molar Mass in Chemical Reactions
The molar mass of a compound is a critical concept in chemical reactions, as it allows us to calculate the number of moles of reactants and products. This is particularly important in balancing chemical equations, where the number of moles of reactants and products must be balanced in order to ensure that the reaction occurs as expected.
Calculating the Number of Moles of Other Substances in Chemical Reactions
The formula for calculating the number of moles of a substance can be applied to any substance, as long as we know the molar mass of the substance and the mass of the substance. For example, if we want to calculate the number of moles of sodium chloride (NaCl) in 50 g of the compound, we can use the following formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 50 g / 58.44 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 50 g / 58.44 g/mol Number of moles = 0.857 mol
Conclusion
Therefore, there are 0.857 moles of sodium chloride (NaCl) in 50 g of the compound.
Understanding the Significance of Molar Mass in Real-World Applications
The molar mass of a compound is a critical concept in real-world applications, as it allows us to calculate the number of moles of a substance in a given mass. This is particularly important in industries such as pharmaceuticals, where the number of moles of a substance must be accurately calculated in order to ensure that the correct amount of the substance is produced.
Calculating the Number of Moles of Other Substances in Real-World Applications
The formula for calculating the number of moles of a substance can be applied to any substance, as long as we know the molar mass of the substance and the mass of the substance. For example, if we want to calculate the number of moles of glucose (C6H12O6) in 200 g of the compound, we can use the following formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 200 g / 180.16 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 200 g / 180.16 g/mol Number of moles = 1.11 mol
Conclusion
Therefore, there are 1.11 moles of glucose (C6H12O6) in 200 g of the compound.
Understanding the Importance of Molar Mass in Scientific Research
The molar mass of a compound is a critical concept in scientific research, as it allows us to calculate the number of moles of a substance in a given mass. This is particularly important in fields such as chemistry and physics, where the number of moles of a substance must be accurately calculated in order to ensure that the correct amount of the substance is produced.
Calculating the Number of Moles of Other Substances in Scientific Research
The formula for calculating the number of moles of a substance can be applied to any substance, as long as we know the molar mass of the substance and the mass of the substance. For example, if we want to calculate the number of moles of hydrogen gas (H2) in 100 g of the compound, we can use the following formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 100 g / 2.016 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 100 g / 2.016 g/mol Number of moles = 49.6 mol
Conclusion
Therefore, there are 49.6 moles of hydrogen gas (H2) in 100 g of the compound.
Understanding the Significance of Molar Mass in Everyday Life
The molar mass of a compound is a critical concept in everyday life, as it allows us to calculate the number of moles of a substance in a given mass. This is particularly important in industries such as food and beverage, where the number of moles of a substance must be accurately calculated in order to ensure that the correct amount of the substance is produced.
Calculating the Number of Moles of Other Substances in Everyday Life
The formula for calculating the number of moles of a substance can be applied to any substance, as long as we know the molar mass of the substance and the mass of the substance. For example, if we want to calculate the number of moles of sugar (C12H22O11) in 500 g of the compound, we can use the following formula:
Number of moles = mass of the compound / molar mass of the compound
Substituting the values, we get:
Number of moles = 500 g / 342.3 g/mol
Performing the Calculation
To calculate the number of moles, we can perform the following calculation:
Number of moles = 500 g / 342.3 g/mol Number of moles = 1.45 mol
Conclusion
Therefore, there are 1.45 moles of sugar (C12H22O11) in 500 g of the compound.
Understanding the Importance of Molar Mass in Environmental Science
The molar mass of a compound is a critical concept in environmental science, as it allows us to calculate the number of moles of a substance in a given mass. This is particularly important in fields such as ecology and
Q: What is molar mass?
A: Molar mass is the mass of one mole of a substance, expressed in units of grams per mole (g/mol). It is a critical concept in chemistry, as it allows us to calculate the number of moles of a substance in a given mass.
Q: How do I calculate the molar mass of a compound?
A: To calculate the molar mass of a compound, you need to sum the atomic masses of its constituent elements. For example, the molar mass of water (H2O) can be calculated as follows:
Molar mass of H2O = atomic mass of H + (2 x atomic mass of O) Molar mass of H2O = 1.008 g/mol + (2 x 15.999 g/mol) Molar mass of H2O = 1.008 g/mol + 31.998 g/mol Molar mass of H2O = 33.006 g/mol
Q: How do I calculate the number of moles of a substance?
A: To calculate the number of moles of a substance, you need to divide the mass of the substance by its molar mass. For example, if you have 100 g of water (H2O) and you want to calculate the number of moles, you can use the following formula:
Number of moles = mass of the substance / molar mass of the substance Number of moles = 100 g / 33.006 g/mol Number of moles = 3.03 mol
Q: What is the difference between moles and grams?
A: Moles and grams are two different units of measurement. Moles are a unit of amount, while grams are a unit of mass. For example, 1 mole of water (H2O) has a mass of 18.015 g, but it also has a specific number of molecules (6.022 x 10^23 molecules).
Q: Why is it important to know the molar mass of a substance?
A: Knowing the molar mass of a substance is important because it allows us to calculate the number of moles of the substance in a given mass. This is particularly important in chemical reactions, where the number of moles of reactants and products must be balanced in order to ensure that the reaction occurs as expected.
Q: Can I use the molar mass of a substance to calculate the number of molecules?
A: Yes, you can use the molar mass of a substance to calculate the number of molecules. The number of molecules in a substance can be calculated using the following formula:
Number of molecules = number of moles x Avogadro's number Number of molecules = 3.03 mol x 6.022 x 10^23 molecules/mol Number of molecules = 1.83 x 10^24 molecules
Q: What is Avogadro's number?
A: Avogadro's number is a constant that represents the number of molecules in one mole of a substance. It is equal to 6.022 x 10^23 molecules/mol.
Q: Why is Avogadro's number important?
A: Avogadro's number is important because it allows us to calculate the number of molecules in a substance. This is particularly important in chemical reactions, where the number of molecules of reactants and products must be balanced in order to ensure that the reaction occurs as expected.
Q: Can I use the molar mass of a substance to calculate the number of atoms?
A: Yes, you can use the molar mass of a substance to calculate the number of atoms. The number of atoms in a substance can be calculated using the following formula:
Number of atoms = number of moles x Avogadro's number x number of atoms per molecule Number of atoms = 3.03 mol x 6.022 x 10^23 molecules/mol x 2 atoms/molecule Number of atoms = 3.65 x 10^24 atoms
Q: What is the difference between atoms and molecules?
A: Atoms and molecules are two different units of measurement. Atoms are the building blocks of matter, while molecules are groups of atoms that are chemically bonded together.
Q: Why is it important to know the number of atoms in a substance?
A: Knowing the number of atoms in a substance is important because it allows us to understand the chemical properties of the substance. For example, the number of atoms in a substance can affect its reactivity, solubility, and other physical and chemical properties.
Q: Can I use the molar mass of a substance to calculate the number of electrons?
A: Yes, you can use the molar mass of a substance to calculate the number of electrons. The number of electrons in a substance can be calculated using the following formula:
Number of electrons = number of moles x Avogadro's number x number of electrons per atom Number of electrons = 3.03 mol x 6.022 x 10^23 molecules/mol x 2 electrons/atom Number of electrons = 3.65 x 10^24 electrons
Q: What is the difference between electrons and protons?
A: Electrons and protons are two different types of subatomic particles. Electrons are negatively charged particles that orbit the nucleus of an atom, while protons are positively charged particles that reside in the nucleus of an atom.
Q: Why is it important to know the number of electrons in a substance?
A: Knowing the number of electrons in a substance is important because it allows us to understand the chemical properties of the substance. For example, the number of electrons in a substance can affect its reactivity, solubility, and other physical and chemical properties.
Q: Can I use the molar mass of a substance to calculate the number of protons?
A: Yes, you can use the molar mass of a substance to calculate the number of protons. The number of protons in a substance can be calculated using the following formula:
Number of protons = number of moles x Avogadro's number x number of protons per atom Number of protons = 3.03 mol x 6.022 x 10^23 molecules/mol x 1 proton/atom Number of protons = 1.83 x 10^24 protons
Q: What is the difference between protons and neutrons?
A: Protons and neutrons are two different types of subatomic particles that reside in the nucleus of an atom. Protons are positively charged particles, while neutrons are neutral particles.
Q: Why is it important to know the number of protons in a substance?
A: Knowing the number of protons in a substance is important because it allows us to understand the chemical properties of the substance. For example, the number of protons in a substance can affect its reactivity, solubility, and other physical and chemical properties.
Q: Can I use the molar mass of a substance to calculate the number of neutrons?
A: Yes, you can use the molar mass of a substance to calculate the number of neutrons. The number of neutrons in a substance can be calculated using the following formula:
Number of neutrons = number of moles x Avogadro's number x number of neutrons per atom Number of neutrons = 3.03 mol x 6.022 x 10^23 molecules/mol x 1 neutron/atom Number of neutrons = 1.83 x 10^24 neutrons
Q: What is the difference between neutrons and electrons?
A: Neutrons and electrons are two different types of subatomic particles. Neutrons are neutral particles that reside in the nucleus of an atom, while electrons are negatively charged particles that orbit the nucleus of an atom.
Q: Why is it important to know the number of neutrons in a substance?
A: Knowing the number of neutrons in a substance is important because it allows us to understand the chemical properties of the substance. For example, the number of neutrons in a substance can affect its reactivity, solubility, and other physical and chemical properties.
Q: Can I use the molar mass of a substance to calculate the number of atoms in a molecule?
A: Yes, you can use the molar mass of a substance to calculate the number of atoms in a molecule. The number of atoms in a molecule can be calculated using the following formula:
Number of atoms = number of moles x Avogadro's number x number of atoms per molecule Number of atoms = 3.03 mol x 6.022 x 10^23 molecules/mol x 2 atoms/molecule Number of atoms = 3.65 x 10^24 atoms
Q: What is the difference between atoms and molecules?
A: Atoms and molecules are two different units of measurement. Atoms are the building blocks of matter, while molecules are groups of atoms that are chemically bonded together.
Q: Why is it important to know the number of atoms in a molecule?
A: Knowing the number of atoms in a molecule is important because it allows us to understand the chemical properties of the substance. For example, the number of atoms in a molecule can affect its reactivity, solubility, and other physical and chemical properties.
Q: Can I use the molar mass of a substance to calculate the number of molecules in a substance?
A: Yes, you can use the molar mass of a substance to calculate the number of molecules in a substance. The number of molecules in a substance can be calculated using the following formula:
Number of molecules = number of moles x Avogadro's number Number of molecules = 3