Question

1.How Many Grams Of Sulphur Contains The Same Number Of Moles As 4.6g Of Sodium?
2.Calculate The Number Of Moles In 28.6g Of Na2CO3.10H2O?

Answer 1

2. mols = grams/molar mass = ?

1. mols Na = grams/atomic mass = 4.6/approx 23 = ?
Then mols S = grams S/atomic mass S
? mols Na = grams S/atomic mass S and solvle for grams S.