Q33 of 203 Page 173

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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