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The Vapour pressure of solution containing `2g` of `NaCl` in `100g` of water at `100^(@)C` is `753.2mm` of `Hg`, then degree of dissociation of `NaCl`.A. `0.6`B. `0.7`C. `0.8`D. `0.9` |
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Answer» Correct Answer - 1 `(P^(@)-P_(S))/(P_(S))=(wxxM)/(mxxW)` `(760-753.2)/(760)=(2xx18)/(mxx100)` `m_(exp)=36.56` `{:(NaCl,rarr,Na^(+),+,Cl^(-)),(1-alpha,,alpha,,alpha):}` `M_(the)/M_(exp)=1+alpha" "rArr" "58.5/36.56=1+alpha` |
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