## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Let's Review: The Tools of Quantitative Chemistry - Study Questions - Page 43d: 51

#### Answer

$245\ g$

#### Work Step by Step

We are given the solution's volume and density ($\rho=1.285\ g/cm^3,\ V=500.\ mL=500.\ cm^3$), so the mass of the solution is: $m=500 \times1.285 = 642\ g$ The solution has a mass fraction of sulfuric acid of 38.08%, so the mass of sulfuric acid is: $m_a=642\times\frac{38.08}{100}=245\ g$

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