The boiling point of a solution of `0.11g` of a substance is 15g of ether was found to be `0.1^(@)C` higher than that of pure ether. The molecular wei

Question

The boiling point of a solution of `0.11g` of a substance is 15g of ether was found to be `0.1^(@)C` higher than that of pure ether. The molecular wei

The boiling point of a solution of `0.11g` of a substance is 15g of ether was found to be `0.1^(@)C` higher than that of pure ether. The molecular weight of the substance will be `(K_(b) = 2.16)`
A. 148
B. 158
C. 168
D. 178

Monjur Alahi

6 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 - B
`M_(2) = (1000 xx K xx W_(2))/(Delta T_(B) xx W_(1))`
` = (1000 xx 2.16 xx 0.11)/(0.1 xx 15) = 158`

6 views Answered 2023-02-05 15:29