The increase in boiling point of a solution containing 0.6 g urea in 200 g water is 0.50°C. Find the molal elevation constant.

10 K Kg mol

^{- 1}

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10 K g mol

^{- 1}

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10 K Kg mol

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1.0 K Kg mol

^{- 1}

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Solution

The correct option is A 10 K Kg mol $^{- 1}$

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Similar questions

Q. The molal elevation constant for water is 0.56 K kg

m o l^{- 1}

. Calculate the boiling point of solution made by dissolving 6.0 g of urea

(N H_{2} C O N H_{2})

in 200 g of water.

Q. The increase in boiling point of a solution containing

0.6 g

urea in

200 g

water is

{0.50}^{\circ} C

. Find the molal elevation constant.

Q. The boiling point of pure water is

100^{\circ}

C. Calculate the boiling point of an aqueous solution containing

0.6 g

of urea (molar mass =

60 {g mol}^{- 1}

) in

100 g

of water.

K_{b}

for water is

0.52 {K kg mol}^{- 1}

Question 10
The unit of ebuilioscopic constant is
(a) $K k g m o l^{- 1} o r K (m o l a l i t y)^{- 1}$ (b) $m o l k g K^{- 1} o r K^{- 1} (m o l a l i t y)$
(c) $k g m o l^{- 1} o r K^{- 1} (m o l a l i t y)^{- 1}$ (d) $K m o l k g^{- 1} o r (m o l a l i t y)$