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Ways of Representing the Concentration of a Solution

What is the m...

Question

What is the molality of a solution having 14.2 gm of $N a_{2} S O_{4}$ dissolved in 1 liter solution?

A

14.2

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B

1.42

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C

1

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D

cannot be determined

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Solution

The correct option is D
cannot be determined

Calculation of molality requires mass of the solvent.But in the solution the only information given is volume of solution and mass of the solute by which we cannot find the mass of the solvent.So we can never find molalilty of this solution.

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What is the molality of a solution having 14.2 gm of $N a_{2} S O_{4}$ dissolved in 1 liter solution?

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Ways of Representing the Concentration of a Solution

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