# Let's Review: The Tools of Quantitative Chemistry - Study Questions: 40

$1.4\ cm$

#### Work Step by Step

We are given the mass and the density ($m=7.6\ g,\ \rho=2.698\ g/cm^3$), so the volume is : $V=7.6 \div 2.698 = 2.8\ cm^3$ For a cube, the volume is given by $V=L^3$, so the length is: $L=\sqrt[3]{2.8} = 1.4\ cm$

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