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