The mole fraction of oxalic acid (Molar mass 63) required to prepare 0.10 m solution in water is
The mole fraction of oxalic acid (Molar mass 63) required to prepare 0.10 m solution in water is
A. 1
B. 0.0018
C. 6.3
D. 0.0992
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Correct Answer - B
`X_(2)= (mM_(1))/(1000+mM_(1))`
`=(0.1 xx 18)/(1000 + 0.1 xx 18)`
=0.0018
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