Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 30

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A mixture has $18 g$ of water and $414 g$ of ethanol. The mole fraction of water in the mixture is (assume ideal behaviour of the mixture)

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 31

25 mL

of

3.0 M {HNO}_{3}

are mixed with

75 mL

of

4.0 M {HNO}_{3} .

If the volumes are additive, the molarity of the final mixture would be-

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 32

15 gram

of methyl alcohol is dissolved in

35 gram

of water. What is the mass percentage of methyl alcohol in solution?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 34

Density of a

2.05 M

solution of acetic acid in water is

1.02 g {mL}^{- 1}

. The molality of the solution is

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 35

5.2

molal aqueous solution of methyl alcohol

{CH}_{3} OH

is supplied. What is the mole fraction of methyl alcohol in the solution?

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 36

The density of a solution containing

13 %

by mass of sulphuric acid is

1.09 g / mL .

Calculate the molarity of the solution-

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 37

The vapour pressure of water depends upon:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 38

Among the following substances, the lowest vapour pressure is exerted by:

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Alpha Question Bank for Medical: Chemistry>Chapter 8 - Solutions>Exercise 1>Q 40

The vapour pressure of water at $20 ° C$ is $17.54 mmHg .$ What will be the vapour pressure of the water in the apparatus shown after the piston is lowered, decreasing the volume of the gas above the liquid to one half of its initial volume (assume temperature constant).

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