convert 12 gram of Oxygen gas into mole if atomic mass of oxygen is 16u.
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No. of moles = m/M
where m = given mass
and M = molar mass
oxygen gas is O2
so mass of O2 = 16×2 = 32
moles = m/M
= 12/32
= 3/8
= 0.375 moles
Hope it helps
where m = given mass
and M = molar mass
oxygen gas is O2
so mass of O2 = 16×2 = 32
moles = m/M
= 12/32
= 3/8
= 0.375 moles
Hope it helps
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