how many moles are in 167.832g of Carbon?
determine the overall number of moles of Carbon present in 378 g of Hydrogen Cyanide (HCN)
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determine the overall number of moles of Carbon present in 378 g of Hydrogen Cyanide (HCN)
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W
Favorite Answer
n = m/M
where n is numer of mols m is mass and M is molecular weight.
you know the mass = 167.832
the molecular weight of Carbon is found on the periodic table and = 12
so just 167.832grams/12grams/mol
Do the same for HCN but now you need the atomic weight of H, C and N and add them together to get the molecular weight (M)