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How many moles of hydrigen are present in a 2 grams sample of hydrogen gas?
Wiki User
∙ 12y ago
Mass (g) = Mr * Moles
If you rearrange it, you get Moles = Mass/Mr
Working with a 2dp Periodic Table you get:
Moles = 2/1.01
=1.98
There are 1.98 moles of hydrogen in 2g of H2 gas.
Wiki User
∙ 12y ago
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