What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water ?

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asked Mar 5, 2018 in Class XI Chemistry by rahul152 (-2,844 points)
What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water ?
(a) 0.1 m
(b) 1 M
(c) 0.5 m
(d) 1 m

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1 Answer

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answered Mar 5, 2018 by nikita74 (-1,022 points)
(d) Mobility = No. of moles of solute/ Mass of solvent in kg
No. of moles = 18.25 / 36.5 = 0.5
Molality = 0.5/0.5 = 1m

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