Asked by obot

calculate the number of molecules in 6.4g of so2. (b) 1.5 moles of hydrogen chloride
Answered by kate
number of moles = mass/Molar mass
N=m/Mr
Answered by DrBob222
Kate didn't answer all of the question.
mols SO2 = grams SO2/molar mass SO2 = ?
Then there are 6.02E2 molecules in 1 mol
Answered by Kagiso
Mass=
Answered by Vivian
The number of molecules in 6.4g of so2 (s=32,o=16),32+16*2=64g
64g(1 mol) of so2 contains 6.02*10^23 molecules
6.4g of so2 contains=6.02*10^23*6.4/64,
=6.02*10^22.answer
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