Question

calculate the molecular mass of na2 so4. 10 H2O


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Answer 1

Answer:

Na2SO4

2*(Na) + S + 4(O) = 2*(23 g/mol) + (32) + 4(16) = 119 g/mol

and the molar mass of 10H20...is

10+2(H) + 0 = 10+2(1)+16 =28 g/mol

Answer 2

The molar mass of Na 2SO4.10H2O is2(23)+32+4(16)+10(18)=322 g/mol.