객관식
A 24.5 g sample of solution has a density of 0.768 g/ml. What is the volume of the sample in ml?
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1. Intro to General Chemistry
Density
객관식
The density of gold is 19.3 g/cm^3. What is the volume, in cm^3, of a gold nugget with a mass of 13 g? (Density: d = m/v)
A
19.3 cm^3
B
6.15 cm^3
C
0.67 cm^3
D
1.49 cm^3
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검증된 단계별 안내1
Identify the given quantities: the density of gold \(d = 19.3 \text{ g/cm}^3\) and the mass of the gold nugget \(m = 13 \text{ g}\).
Recall the formula relating density, mass, and volume: \(d = \frac{m}{v}\), where \(v\) is the volume.
Rearrange the formula to solve for volume: \(v = \frac{m}{d}\).
Substitute the known values into the equation: \(v = \frac{13 \text{ g}}{19.3 \text{ g/cm}^3}\).
Perform the division to find the volume in \(\text{cm}^3\) (do not forget to keep track of units).
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