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Q.

1.61gm of Na2SO410H2O contains same number of oxygen atoms as present in:

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a

0.98gm H2SO4

b

0.08gm SO2

c

1.78gm H2S2O7

d

0.05gm CaCO3

answer is C.

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Detailed Solution

Number of oxygen atom in given compound,

1.61322×14=0.07 moles ;

(a) 0.9898×4   (b) 0,0864×3

(c) 1.78178×7   (d) 0.05100×3
 

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