Calculate the mass of a portion of molecular hydrogen with a chemical amount of 0.3 mol.

univerkov | March 3, 2021 | education

Let’s calculate the molar mass of hydrogen. Since a hydrogen molecule consists of two atoms, its molar mass will be equal to twice the atomic mass.

M (H2) = 2 * A (H) = 2 * 1 = 2 g / mol;

Find the mass of hydrogen:

m (H2) = n (H2) * M (H2) = 0.3 * 2 = 0.6 g.

Answer: m (H2) = 0.6 g.

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