How many molecules are contained in 5.61 moles of H_2 at STP?

1 Answer
Trevor Ryan.
Feb 28, 2016

3.3789xx10^24

Explanation:

1 mole of any material contains 6.023xx10^23 elementary particles.

Hence, by ratio and proportion, 5.61 mol of diatomic hydrogen gas contains 5.61xx6.023xx10^23 hydrogen molecules =3.3789xx10^24 H_2 molecules.

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