Find the out the molar masses of the following compounds:
Mohr's salt `[FeSO_4(NH_4)_2SO_4*6H_2O]`
( mass : cu = 63.5, S = 32, O = 16, H = 1, Na= 23, C = 12, Fe = 56, N = 14)

Find the out the molar masses of the following compounds: Copper sulphate crystal (CuSo_4*5H_2O)

Find the out the molar masses of the following compounds: Sodium carbonate, decahydrate (Na_2CO_3*10H_2O)

Find the oxidation numbers of the underlined species in the following compounds or ions. H_2S _4O_6 .

Calculate the molar mass of the following (i) H_2 O (ii) CO_2 (iii) CH_4

Solve the examples Following are atomic masses of a few elements in Daltons and the molecular formulae of some compounds. Deduce the molecular masses of those compounds. Molecular formulae: H_2 O_2 (Atomic masses: H=1, O=16, N=14, C=12, Na=23, Cl=35.5, K=39, Mg=24, Al=27, Ca=40, P=31, S=32)

In CuSO_4*5H_2O the percentage of water is........ (Cu = 63.5 S= 32, O = 16, H = 1)

Solve the examples Following are atomic masses of a few elements in Daltons and the molecular formulae of some compounds. Deduce the molecular masses of those compounds. Molecular formulae: NaOH . (Atomic masses: H=1, O=16, N=14, C=12, Na=23, Cl=35.5, K=39, Mg=24, Al=27, Ca=40, P=31, S=32)