Question

calculate the number of partices in 6,9g of ZnSo4

Answer 1

Answer:

24×10^21 particles

Explanation:

molar mass of znso4 =161

number of moles =w/Gmw

n=6.9/161=0.04

1moles contains 6×10^23particles

0.04moles contains x

x=4×10^-2×6×10^23=24×10^21 particles

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