Question

The relative density of a substance is 2.9 and its mass is 0.2900 gm. Find its volume.​

Answer 1

• Relative density=2.9

We know

$\boxed{\sf Relative\:Density=\dfrac{Density\:of\:substance}{Density\:of\:water\:at\:4°C}}$

$\\ \sf\longmapsto 2.9=\dfrac{Density\:of\:Substance}{1000}$

$\\ \sf\longmapsto Density\:of\:the\:Substance=2.9\times 1000$

$\\ \sf\longmapsto Density=2900kg/m^3$

• Mass=0.2900kg

We know

$\boxed{\sf Density=\dfrac{Mass}{Volume}}$

$\\ \sf\longmapsto Volume=\dfrac{Mass}{Density}$

$\\ \sf\longmapsto Volume=0.0001m^3=1cm^3$

Answer 2

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