An Unbalanced Chemical Equation Is Given As: 4 Na ( S ) + O 2 ( G ) → 2 Na 2 O ( S 4 \, \text{Na}(s) + O_2(g) \rightarrow 2 \, \text{Na}_2\text{O}(s 4 Na ( S ) + O 2 ​ ( G ) → 2 Na 2 ​ O ( S ]If You Have 100 G 100 \, \text{g} 100 G Of Sodium And 60 G 60 \, \text{g} 60 G Of Oxygen:A. Find The Number Of Moles Of Sodium

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Understanding the Problem

In this article, we will delve into the world of chemical equations and explore the concept of balancing chemical equations. We will use a given unbalanced chemical equation and a set of given masses to find the number of moles of sodium. This problem is a great example of how to apply the principles of stoichiometry to real-world scenarios.

The Unbalanced Chemical Equation

The given unbalanced chemical equation is:

4 Na(s)+O2(g)→2 Na2O(s)4 \, \text{Na}(s) + O_2(g) \rightarrow 2 \, \text{Na}_2\text{O}(s)

This equation represents the reaction between sodium (Na) and oxygen (O2) to form sodium oxide (Na2O).

Given Masses

We are given the following masses:

  • 100 g100 \, \text{g} of sodium (Na)
  • 60 g60 \, \text{g} of oxygen (O2)

Step 1: Find the Number of Moles of Sodium

To find the number of moles of sodium, we need to use the formula:

moles = mass / molar mass

The molar mass of sodium (Na) is 22.99 g/mol22.99 \, \text{g/mol}.

# Import necessary modules
import math

mass_sodium = 100  # in g
molar_mass_sodium = 22.99  # in g/mol



moles_sodium = mass_sodium / molar_mass_sodium


print("The number of moles of sodium is:", moles_sodium)

Step 2: Find the Number of Moles of Oxygen

To find the number of moles of oxygen, we need to use the formula:

moles = mass / molar mass

The molar mass of oxygen (O2) is 32.00 g/mol32.00 \, \text{g/mol}.

# Define variables
mass_oxygen = 60  # in g
molar_mass_oxygen = 32.00  # in g/mol


moles_oxygen = mass_oxygen / molar_mass_oxygen


print("The number of moles of oxygen is:", moles_oxygen)

Step 3: Balance the Chemical Equation

To balance the chemical equation, we need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Let's start by balancing the sodium (Na) atoms. We have 4 sodium atoms on the reactant side and 2 sodium atoms on the product side. To balance the sodium atoms, we need to multiply the sodium atoms on the reactant side by 2.

# Define variables
sodium_atoms_reactant = 4
sodium_atoms_product = 2


sodium_atoms_needed = sodium_atoms_product * 2


print("The number of sodium atoms needed on the reactant side is:", sodium_atoms_needed)

Now that we have balanced the sodium atoms, we can balance the oxygen (O2) atoms. We have 1 oxygen molecule on the reactant side and 2 oxygen atoms on the product side. To balance the oxygen atoms, we need to multiply the oxygen molecule on the reactant side by 2.

# Define variables
oxygen_molecule_reactant = 1
oxygen_atoms_product = 2


oxygen_molecules_needed = oxygen_atoms_product / 2


print("The number of oxygen molecules needed on the reactant side is:", oxygen_molecules_needed)

Conclusion

In this article, we have learned how to balance a chemical equation using a given unbalanced chemical equation and a set of given masses. We have applied the principles of stoichiometry to find the number of moles of sodium and oxygen. We have also balanced the chemical equation by making sure that the number of atoms of each element is the same on both the reactant and product sides.

Understanding the Problem

In this article, we will delve into the world of chemical equations and explore the concept of balancing chemical equations. We will use a given unbalanced chemical equation and a set of given masses to find the number of moles of sodium. This problem is a great example of how to apply the principles of stoichiometry to real-world scenarios.

The Unbalanced Chemical Equation

The given unbalanced chemical equation is:

4 Na(s)+O2(g)→2 Na2O(s)4 \, \text{Na}(s) + O_2(g) \rightarrow 2 \, \text{Na}_2\text{O}(s)

This equation represents the reaction between sodium (Na) and oxygen (O2) to form sodium oxide (Na2O).

Given Masses

We are given the following masses:

  • 100 g100 \, \text{g} of sodium (Na)
  • 60 g60 \, \text{g} of oxygen (O2)

Step 1: Find the Number of Moles of Sodium

To find the number of moles of sodium, we need to use the formula:

moles = mass / molar mass

The molar mass of sodium (Na) is 22.99 g/mol22.99 \, \text{g/mol}.

# Import necessary modules
import math


mass_sodium = 100  # in g
molar_mass_sodium = 22.99  # in g/mol



moles_sodium = mass_sodium / molar_mass_sodium


print("The number of moles of sodium is:", moles_sodium)

Step 2: Find the Number of Moles of Oxygen

To find the number of moles of oxygen, we need to use the formula:

moles = mass / molar mass

The molar mass of oxygen (O2) is 32.00 g/mol32.00 \, \text{g/mol}.

# Define variables
mass_oxygen = 60  # in g
molar_mass_oxygen = 32.00  # in g/mol


moles_oxygen = mass_oxygen / molar_mass_oxygen


print("The number of moles of oxygen is:", moles_oxygen)

Step 3: Balance the Chemical Equation

To balance the chemical equation, we need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Let's start by balancing the sodium (Na) atoms. We have 4 sodium atoms on the reactant side and 2 sodium atoms on the product side. To balance the sodium atoms, we need to multiply the sodium atoms on the reactant side by 2.

# Define variables
sodium_atoms_reactant = 4
sodium_atoms_product = 2


sodium_atoms_needed = sodium_atoms_product * 2


print("The number of sodium atoms needed on the reactant side is:", sodium_atoms_needed)

Now that we have balanced the sodium atoms, we can balance the oxygen (O2) atoms. We have 1 oxygen molecule on the reactant side and 2 oxygen atoms on the product side. To balance the oxygen atoms, we need to multiply the oxygen molecule on the reactant side by 2.

# Define variables
oxygen_molecule_reactant = 1
oxygen_atoms_product = 2


oxygen_molecules_needed = oxygen_atoms_product / 2


print("The number of oxygen molecules needed on the reactant side is:", oxygen_molecules_needed)

Conclusion

Q: What is a balanced chemical equation?

A: A balanced chemical equation is a chemical equation in which the number of atoms of each element is the same on both the reactant and product sides.

Q: Why is balancing a chemical equation important?

A: Balancing a chemical equation is important because it ensures that the law of conservation of mass is obeyed. The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction.

Q: How do I balance a chemical equation?

A: To balance a chemical equation, you need to make sure that the number of atoms of each element is the same on both the reactant and product sides. You can do this by multiplying the atoms of each element by a factor that makes the number of atoms equal on both sides.

Q: What are some common mistakes to avoid when balancing a chemical equation?

A: Some common mistakes to avoid when balancing a chemical equation include:

  • Not counting the atoms of each element correctly
  • Not multiplying the atoms of each element by the correct factor
  • Not checking the balanced equation to make sure that it is correct

Q: How do I know if a chemical equation is balanced?

A: To check if a chemical equation is balanced, you need to count the atoms of each element on both the reactant and product sides. If the number of atoms of each element is the same on both sides, then the equation is balanced.

Q: Can a chemical equation be balanced in more than one way?

A: Yes, a chemical equation can be balanced in more than one way. However, only one of these ways is correct.

Q: How do I determine the correct way to balance a chemical equation?

A: To determine the correct way to balance a chemical equation, you need to follow the steps outlined above. You also need to check the balanced equation to make sure that it is correct.

Q: What are some common types of chemical reactions that require balancing?

A: Some common types of chemical reactions that require balancing include:

  • Synthesis reactions
  • Decomposition reactions
  • Replacement reactions
  • Combustion reactions

Q: How do I balance a chemical equation with multiple reactants and products?

A: To balance a chemical equation with multiple reactants and products, you need to follow the same steps as outlined above. You also need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Q: Can I use a computer program to balance a chemical equation?

A: Yes, you can use a computer program to balance a chemical equation. There are many computer programs available that can balance chemical equations, including online tools and software programs.

Q: How do I check the work of a computer program that balances a chemical equation?

A: To check the work of a computer program that balances a chemical equation, you need to follow the same steps as outlined above. You also need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Q: What are some common mistakes to avoid when using a computer program to balance a chemical equation?

A: Some common mistakes to avoid when using a computer program to balance a chemical equation include:

  • Not entering the correct chemical equation
  • Not selecting the correct options for the computer program
  • Not checking the balanced equation to make sure that it is correct

Q: Can I use a computer program to balance a chemical equation with multiple reactants and products?

A: Yes, you can use a computer program to balance a chemical equation with multiple reactants and products. There are many computer programs available that can balance chemical equations with multiple reactants and products.

Q: How do I determine the correct way to balance a chemical equation with multiple reactants and products?

A: To determine the correct way to balance a chemical equation with multiple reactants and products, you need to follow the same steps as outlined above. You also need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Q: What are some common types of chemical reactions that require balancing with multiple reactants and products?

A: Some common types of chemical reactions that require balancing with multiple reactants and products include:

  • Synthesis reactions
  • Decomposition reactions
  • Replacement reactions
  • Combustion reactions

Q: Can I use a computer program to balance a chemical equation with multiple reactants and products and multiple products?

A: Yes, you can use a computer program to balance a chemical equation with multiple reactants and products and multiple products. There are many computer programs available that can balance chemical equations with multiple reactants and products and multiple products.

Q: How do I determine the correct way to balance a chemical equation with multiple reactants and products and multiple products?

A: To determine the correct way to balance a chemical equation with multiple reactants and products and multiple products, you need to follow the same steps as outlined above. You also need to make sure that the number of atoms of each element is the same on both the reactant and product sides.

Q: What are some common mistakes to avoid when using a computer program to balance a chemical equation with multiple reactants and products and multiple products?

A: Some common mistakes to avoid when using a computer program to balance a chemical equation with multiple reactants and products and multiple products include:

  • Not entering the correct chemical equation
  • Not selecting the correct options for the computer program
  • Not checking the balanced equation to make sure that it is correct