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Calculate the molality of a solution con...

Calculate the molality of a solution containing 0.365 g of hydrochloric acid disssolved in 100 g of water.

Text Solution

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100 g of water contains 0.365 g off hydrochloric acid.
Therefore, 1000 g of water contains
`(0.365xx1000)/(100)=3.65` g of hydrochloric acid
`"Molality"=("mass per kg of the solvent")/("molecular mass")`
`=3.65/(36.5)=0.1` or 0.1 molal solution
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