44. The total number of electrons in 2.0 g of D,O to that in 1.8 g of H2O (1) Double (2) Same (3) Triple (4) One fourth 45 From 200 ma of CO. when x molecules are removed

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1 mole of ( D 20 ) and ( H 2 O ) has 10 moles of electrons ( 2 mathrm{g} ) of ( mathrm{D} 2 mathrm{O}=2 / 20=0.1 mathrm{mole} ) ( 1.8 mathrm{g} ) of ( mathrm{H} 2 mathrm{O}=1.8 / 18=0.1 mathrm{mole} ) hence the no. of electrons in both the molecules are ( =0.1 times 10 ) moles of electrons ( =6.023 times 10^{wedge} 23 ) electrons

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