A solution containing 4g of polyvinyl chloride polymer in 1 L of dioxane was found to have an osmotic pressure of `4.1xx10^(-4)` atm at `27^(@)C`. The

Question

A solution containing 4g of polyvinyl chloride polymer in 1 L of dioxane was found to have an osmotic pressure of `4.1xx10^(-4)` atm at `27^(@)C`. The

A solution containing 4g of polyvinyl chloride polymer in 1 L of dioxane was found to have an osmotic pressure of `4.1xx10^(-4)` atm at `27^(@)C`. The approximate molecular weight of the polymer is
A. 1500
B. 10000
C. `2.4xx10^(5)`
D. `2xx10^(12)`

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 - C
`becausepi=CRT=(n)/(V)RT`
`pixxV=nRT=(w)/(m)RT`
`m=(wRT)/(pixxV)=(4xx0.0821xx(27+273))/(4xx10^(-4)xx1)`
`2.4xx10^(5)`

4 views Answered 2023-02-05 15:29