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Chapter 4: Problem 12

How can you use the volume of some quantity of a pure substance to calculate its mass?

Short Answer

Expert verified
Question: Determine the mass of a substance with a volume of 2 liters and a density of 1.5 kg/L. Answer: 3 kg

Step by step solution

01

Determine the substance's density

If the density of the pure substance is not given directly, use available information to determine the density. Density is often given in mass per unit volume, such as grams per milliliter (g/mL) or kilograms per liter (kg/L).
02

Write down the density formula

The formula for density is: ρ = m/V, where ρ represents density, m stands for mass, and V is the volume of the substance.
03

Rearrange the formula to solve for mass

Since we are looking to find the mass of the substance, we need to rearrange the formula to isolate m. To do this, multiply both sides of the equation by V: m = ρ × V
04

Plug in the known values and solve for mass

Use the density value determined in Step 1 and the given volume of the substance. Insert those values into the rearranged formula from Step 3: m = ρ × V Compute the product of the density and volume to find the mass of the pure substance.

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Most popular questions from this chapter

In "The Unparalleled Adventure of One Hans Pfaall" by Edgar Allen Poe, the hero discovers a gas whose density is "37.4 times" less than that of hydrogen. How much better at lifting would a balloon filled with the new gas be compared to one filled with hydrogen?

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