Calculate the mass of 9.03 * 10 (23) hydrogen H2 molecules.

univerkov | January 30, 2021 | education

The task is reduced to finding first the amount of substance according to the formula: n = N / Na. And then the masses
n (H2) = 9.03 * 10 (23) / 6.022 * 10 (23) = 1.5 mol
m (H2) = 1.5 mol * 2 g / mol = 3 g

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