Homework Answers
No of atoms of S = n*avagadros number(Na)
= 5.1*6.023*10^23
= 3.072*10^24 atoms
No of mole of Ca = w/mwt = (77.4/40) = 1.935 mol
Molarmass of compound = w/n = 152/0.372 = 408.6 g/mol
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