Question

5.74g of a substance occupies 1.2cm3. express its density by keeping the significanu figure in view.

Answer 1

Answer:

4.7 Kg/cc

Explanation:

Given,

Mass=5.74g

Volume=1.2cm³

Density=Mass/Volume

Density=5.74/1.2

=4.7 Kg/cc

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Answer 2

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• There are 3 significant figures in the measured mass wherr there are only 2 significant figures in the measures volume .
• Hence the density should be expressed to only 2 significant figures.

Density = $\frac{5.74}{1.2}$ g ${cm}^-3.</p><p></p><p></p><p></p><p></p><p>={4.8}$ g${cm}^-3$.