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An unknown diatomic gas has a density of 3.164 g/L at STP. What is the identity of the gas?
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1. Intro to General Chemistry
Density
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Which of the following best describes the relationship between mass and density for a given substance?
A
Density is equal to mass plus volume.
B
Density is equal to mass minus volume.
C
Density is equal to mass divided by volume.
D
Density is equal to mass multiplied by volume.
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Recall the definition of density, which is a physical property of a substance that relates its mass to the volume it occupies.
Density is mathematically expressed as the ratio of mass to volume, which means density equals mass divided by volume.
Write the formula for density as \(\text{Density} = \frac{\text{Mass}}{\text{Volume}}\).
Understand that this formula means if you know the mass and volume of a substance, you can calculate its density by dividing the mass by the volume.
Recognize that the other options (mass plus volume, mass minus volume, mass multiplied by volume) do not correctly represent the relationship between mass and density.
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