Question

Which of the following has the highest mass! (A) 1 g atom of C. (B) 72 mole of CH, (C) 10 mL of water

JEE/Engineering Exams

Chemistry

Solution

222

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( 1 g ) atom of ( C equiv 1 ) mole of ( c=12 g m cdot theta f C ) ( frac{1}{2} ) mole of ( mathrm{cH}_{4}=frac{1}{2} times 16 mathrm{gm} ) of ( mathrm{cm}_{4}=8 mathrm{gm} ) of ( mathrm{CH}_{4} ) In, ( 10 mathrm{ml} ) of water we have, ( quad rho=frac{m}{V} Rightarrow m=P times v quad[because P=1 mathrm{ce} / mathrm{gm}] ) ( quad Rightarrow quad m=1 times 10 ) qu [ S O,[Atext { is the answer } ]