Science, asked by abha8501, 2 months ago

which of the following solution has same concentration that of 15 gram of Urea dissolved in hundred ml of solution

Answers

Answered by Insanegirl0

1

1.689molkg

−1

molality =

molar mass of urea × mass of water in kg

mass of urea

molality =

60 g/mol× 0.150 kg

15.20 g

molality = 1.689 mol/kg

Hence, option A is correct.

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