Mole concept: formulas — task. Science State Board, Class 10.

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1.

The formula for calculating the volume of \(2\) moles of \(H_2\) is

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

2.

The formula for calculating the number of moles in \(1\) \(g\) of \(Na\) is

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

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