Chemistry, asked by guravanita608, 9 months ago

13 g of benzene in 17 g CCl4 find molality

Answers

Answered by FahimaFatima

8

Answer:

First: definition of molality:

molality = mol of solute per kg of solvent

Molar mass C6H6 = 78.11g/mol

13.0g C6H6 = 13.0/78.11 = 0.1664 mol

This is dissolved in 17.0g CCl4

Mol dissolved in 1kg CCl4 = 0.1664*1000/17 = 9.79 mol C6H6 dissolved in 1.0kg of CCl4

Molality = 9.79m.

Explanation:

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