12 g of urea is dissolved in 1 litre os water and 68.4 g of sucrese in also dissolven in 1 lite of water. The lowering in the vapour pressure of first

Question

12 g of urea is dissolved in 1 litre os water and 68.4 g of sucrese in also dissolven in 1 lite of water. The lowering in the vapour pressure of first

12 g of urea is dissolved in 1 litre os water and 68.4 g of sucrese in also dissolven in 1 lite of water. The lowering in the vapour pressure of first case is :
A. equal to secound
B. greater than second
C. less than secound
D. double than second.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
Both have same lowering in V.P. as they have same no. of moles.
`"Urea=((12g))/((60g mol^(-1)))=0.2 mol`
`"Sucrose"=(68.4 g)/((342g mol^(-1)))=0.2 mol`

4 views Answered 2023-02-05 15:29