Select The Best Answer For The Question.What Is The Mass Of 60 ML Of Oil If The Oil Has A Density Of 0.90 G/mL?A. 67 GB. 02 GC. 5.4 GD. 54 G

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Introduction

Density is a fundamental concept in chemistry that plays a crucial role in understanding various physical and chemical properties of substances. It is defined as the mass of a substance per unit volume. In this article, we will explore the concept of density and its relationship with mass, and use it to solve a problem involving the mass of a given volume of oil.

What is Density?

Density is a measure of how much mass is contained in a given volume of a substance. It is typically expressed in units of mass per unit volume, such as grams per milliliter (g/mL) or kilograms per cubic meter (kg/mĀ³). The density of a substance is a constant value that depends on the composition and structure of the substance.

Calculating Mass from Density

To calculate the mass of a substance from its density, we can use the following formula:

Mass (m) = Density (Ļ) x Volume (V)

where m is the mass of the substance, Ļ is the density of the substance, and V is the volume of the substance.

Problem: Calculating the Mass of 60 mL of Oil

Let's consider a problem where we need to calculate the mass of 60 mL of oil that has a density of 0.90 g/mL.

Step 1: Identify the Given Values

  • Volume (V) = 60 mL
  • Density (Ļ) = 0.90 g/mL

Step 2: Plug in the Values into the Formula

Using the formula Mass (m) = Density (Ļ) x Volume (V), we can plug in the given values as follows:

m = Ļ x V m = 0.90 g/mL x 60 mL

Step 3: Calculate the Mass

To calculate the mass, we can multiply the density by the volume:

m = 0.90 g/mL x 60 mL m = 54 g

Conclusion

Therefore, the mass of 60 mL of oil with a density of 0.90 g/mL is 54 g.

Answer

The correct answer is:

  • D. 54 g

Why is this Concept Important in Chemistry?

Understanding density and its relationship with mass is crucial in chemistry because it allows us to calculate the mass of a substance from its density and volume. This concept is essential in various fields of chemistry, including analytical chemistry, physical chemistry, and materials science.

Real-World Applications

The concept of density and mass is not only important in chemistry but also has numerous real-world applications. For example:

  • Quality Control: Density is used to determine the quality of materials, such as the density of a metal alloy or the density of a pharmaceutical product.
  • Materials Science: Density is used to design and develop new materials with specific properties, such as high-strength materials or lightweight materials.
  • Environmental Science: Density is used to study the behavior of pollutants in the environment, such as the density of a pollutant in a water sample.

Conclusion

Q: What is density, and how is it related to mass?

A: Density is a measure of how much mass is contained in a given volume of a substance. It is typically expressed in units of mass per unit volume, such as grams per milliliter (g/mL) or kilograms per cubic meter (kg/mĀ³). The density of a substance is a constant value that depends on the composition and structure of the substance.

Q: How do I calculate the mass of a substance from its density?

A: To calculate the mass of a substance from its density, you can use the following formula:

Mass (m) = Density (Ļ) x Volume (V)

where m is the mass of the substance, Ļ is the density of the substance, and V is the volume of the substance.

Q: What is the difference between density and mass?

A: Density is a measure of how much mass is contained in a given volume of a substance, while mass is a measure of the amount of matter in a substance. Density is typically expressed in units of mass per unit volume, while mass is typically expressed in units of mass, such as grams or kilograms.

Q: How do I convert between different units of density?

A: To convert between different units of density, you can use the following conversion factors:

  • 1 g/mL = 1 kg/L
  • 1 kg/mĀ³ = 1 g/mL

Q: What are some common applications of density in chemistry?

A: Density is used in various fields of chemistry, including:

  • Analytical chemistry: Density is used to determine the concentration of a substance in a solution.
  • Physical chemistry: Density is used to study the behavior of substances under different conditions, such as temperature and pressure.
  • Materials science: Density is used to design and develop new materials with specific properties, such as high-strength materials or lightweight materials.

Q: How do I measure the density of a substance?

A: There are several methods to measure the density of a substance, including:

  • Displacement method: This method involves measuring the volume of a substance that displaces a known volume of water.
  • Pycnometer method: This method involves measuring the volume of a substance that is contained in a known volume of a liquid.
  • Hydrostatic weighing method: This method involves measuring the weight of a substance in air and in water, and then using the difference in weight to calculate the density.

Q: What are some common mistakes to avoid when working with density?

A: Some common mistakes to avoid when working with density include:

  • Using the wrong units: Make sure to use the correct units of density, such as g/mL or kg/mĀ³.
  • Not accounting for temperature and pressure: Density can vary with temperature and pressure, so make sure to account for these factors when measuring or using density.
  • Not using a reliable method: Make sure to use a reliable method to measure density, such as a pycnometer or a hydrostatic weighing method.

Conclusion

In conclusion, density is a fundamental concept in chemistry that has numerous real-world applications. By understanding density and its relationship with mass, you can calculate the mass of a substance from its density and volume. This concept is essential in various fields of chemistry and has numerous real-world applications.