How many moles of oxygen atoms are present in one mole of the following compounds?

(i) Al2O3 (ii) CO2 (iii) Cl2O7


(iv) H2SO4 (v) Al2(SO4)3

Moles of oxygen atom are -

(i). Al2O3 : 3 moles


(ii). CO2 : 2 mole


(iii). Cl2O7 : 7 mole


(iv). H2SO4 : 4 mole


(v). Al2(SO4)3 : 12 mole


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