Question

Sodium has a density of 0.97 g/cm^3 what is the mass of 7 cm³ of sodium

Answer 1

Density=0.97g/cm^3

Volume=7cm^3

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

$\\ \rm\longmapsto Mass=Density\times Volume$

$\\ \rm\longmapsto Mass=0.97(7)$

$\\ \rm\longmapsto Mass=6.79g$