Question

plz solve the questions B of 33

Answer 1

(a) we see 1 molecule of CO2 contains two oxygen atoms. so, 1 mole of CO2 molecule contains .

(b) 1 molecule of H2SO4 contains 4 atoms of oxygen so, 1 mole of H2SO4 contains .

(c) 1 molecule of Al2O3 contains 3 atoms of oxygen. so, 1 mole of Al2O3 contains  .

(d) 1 molecule of Al2(SO4)3 contains 12 oxygen atoms so, 1 mole of Al2(SO4)3 contains .