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If the density of some lake water is 1.2...

If the density of some lake water is 1.25 g mL`""^(-1)`and contains 92 g of `Na^+` ions per kg of water, calculate the molality of `Na^+`ions in the lake.

Text Solution

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Molality of `Na^(+)` ions in the lake `=( 92 //23 )/(1 )=4`
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Knowledge Check

  • A solution of sodium sulfate contains 92g of Na^(+) ions per kilogram of water. The molality of Na^(+) ions in the solution in mol kg^(-1) is

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    B
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