How many molecules (not moles) of NH3 are produced from 3.04×10−4 g of H2?

1 Answer
Truong-Son N.
Mar 1, 2018

Well, convert the mass to mols of #"H"_2#, then mols of #"NH"_3#, then...

#3.04 xx 10^(-4) cancel("g H"_2) xx "1 mol"/(2 cdot 1.0079 cancel("g H"_2)) xx (2 cancel("mol NH"_3))/(3 cancel("mol H"_2)) xx (6.0221413 xx 10^23)/cancel"1 mol whathaveyou"#

#= color(blue)(6.05 xx 10^19 "molecules NH"_3)#

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