How many molecules are in 7.8 moles of #NH_3#?

1 Answer
anor277
Dec 29, 2015

In one mole there are #6.022xx10^23# ammonia particles. So in #7.8# #mol# there are approx. #48xx10^23# such particles.

Explanation:

So #7.8# #cancel(mol)# #xx# #6.022# #xx# #10^(23)# particles #cancel(mol^-1)# #=# #??# particles? How many atoms in such a quantity.

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