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0.440 g of a substance dissolved in...

0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by `0.567 ^(@)C ` . The molecular mass of the substance is _____`(K_(f) = 5.12 K kg mol ^(-1))`

A

`178.9 g mol ^(-1) `

B

` 177.8 g mol ^(-1)`

C

` 176 . 7 g mol ^(-1)`

D

`175.6 g mol ^(-1)`

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The correct Answer is:
A
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TARGET PUBLICATION-SOLUTIONS AND COLLIGATIVE PROPERTIES-Critical Thinking
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