When 36g of a non-volatile, non-electrolytic solute having the empirical formula `CH_(2)O` is dissolved in 1.2 kg of water, the solution freezes at `-0.93^(@)C`. The molecular formula of the solute is (`K_(f)` of water = 1.86 K kg `mol^(-1)`)
A
`140 g mol ^(-1)`
B
`150.5 g mol ^(-1)`
C
`160 g mol ^(-1)`
D
`155 g mol ^(-1)`
Text Solution
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The correct Answer is:
b
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