Multiple Choice
Which of the following best describes the concept of density and what it reveals about a substance?
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1. Intro to General Chemistry
Density
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A block has a mass of 250 g and a volume of 200 cm^3. Given that the density of water is 1.00 g/cm^3, what is the density of the block?
A
1.00 g/cm^3
B
1.25 g/cm^3
C
2.00 g/cm^3
D
0.80 g/cm^3
Verified step by step guidance1
Identify the given quantities: mass of the block \(m = 250\ \text{g}\) and volume of the block \(V = 200\ \text{cm}^3\).
Recall the formula for density, which is the ratio of mass to volume:
\(\text{Density} = \frac{\text{Mass}}{\text{Volume}}\)
Substitute the given values into the density formula:
\(\text{Density} = \frac{250\ \text{g}}{200\ \text{cm}^3}\)
Perform the division to find the density value (do not calculate the final number here, just set up the expression).
Compare the calculated density with the density of water (\$1.00\ \text{g/cm}^3$) to understand if the block is more or less dense than water.
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