How many moles of hydrogen molecules (h2) are present in 9 x 1023 molecules of hydrogen?

Question

Isis Pennington

Chemistry

30 May, 11:51

How many moles of hydrogen molecules (h2) are present in 9 x 1023 molecules of hydrogen?

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Michael Barber · Answer 1

Hello

So the molar mass of a Hydrogen molecule is 2. If you have 10 grams of Hydrogen molecules, you have 5 moles of Hydrogen molecules (10 moles of Hydrogen atoms). Avogadro's number is 6.0225x10^23. This means that one mole of a substance has that many particles.

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