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Chapter 1: Q91E (page 64)

Calculate these volumes.

a) What is the volume of 25g of iodine, density = 4.93 g/cm3?

b) What is the volume of 3.28 g gaseous hydrogen, density = 0.089 g/L?

Short Answer

Expert verified

a) Volume of iodine = 5.1 mL

b) Volume of gaseous hydrogen = 37 L

Step by step solution

01

Determine the volume of iodine

It is given that

Density = 4.93 g/cm3

Mass = 25g

\(\begin{aligned}{}Density &= \frac{{mass}}{{volume}}\\mass &= density \times volume\\25g &= 493c{m^3} \times volume\\volume &= 0.051c{m^3}\\ &= 5.1\,mL\end{aligned}\)

02

Determine the volume of gaseous hydrogen

It is given that

Density = 0.089 g/L

Mass = 3.28 g

\(\begin{aligned}{}Density &= \frac{{mass}}{{volume}}\\mass &= density \times volume\\3.28g &= 0.089g/L \times volume\\volume & =37L\end{aligned}\)

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