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  • Calculate the molar mass of solute if an a queues solution containing 0.36 g of solute dissdred in 50 g of water freezes at <img alt="\mathrm{0.6^{\circ} C}" src="https://entrancecorner.oncodecogs.

Calculate the molar mass of solute if an a queues solution containing 0.36 g of solute dissdred in 50 g of water freezes at \mathrm{0.6^{\circ} C}  \mathrm{{K_f=1.86 \mathrm{~kg} \mathrm{~mol}^{-1}}}.

Option: 1

11.4 \mathrm{~g} / \mathrm{m}


Option: 2

22.36 \mathrm{~g} / \mathrm{mal}


Option: 3

14.6 \mathrm{~g} / \mathrm{mol}


Option: 4

34.2 \mathrm{~g} / \mathrm{mol}


Answers (1)

best_answer


\mathrm{\Delta T_f=K_f \times m }

\mathrm{M=\frac{K_f \times \omega \times 1000}{\omega \times \Delta T}=\frac{1.86 \times 0.36 \times 1000}{50 \times 0.6} }

\mathrm{M=22.36 \mathrm{~g} / \mathrm{mal}}

Posted by

Shailly goel

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