2 years ago

How many moles are in 20 grams of O₂ gas?

1 answer:

4 0

20 g O2 x 1 mol O2/32 g O = 0.625 mol O2

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Aliun [14]

Note the formula

$\boxed{\sf Mass\:no=No\:of\:protons+No\:of\:neutrons}$

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