Mole concept: formulas — task. Science Test Space, Class 10.

1.

The formula for calculating the number of moles in \(2\) \(L\) of \(H_2\) is

\(\frac{1\, mol}{22.4\, L}\)
\(\frac{22.4\, L}{1\, mol}\)

2.

The formula for calculating the mass of \(3\) moles of \(Na\) is

\(\frac{Molar\, mass}{1\, mol}\)
\(\frac{1\, mol}{Molar\, mass}\)

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