ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.6

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IMPORTANT

Earn 100

What is the molality of a semimolar $HCl$ solution if the density of the solution is $1.16 g {cm}^{- 3}$ ?

Important Questions on Solutions

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.7

What is the molality of ammonia in a solution containing

0.85 g

of

{NH}_{3}

in

100 {cm}^{3}

of a liquid of density of

0.85 g {cm}^{- 3}

?

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.8

Calculate the molality of

1

litre solution of

93 % H_{2} {SO}_{4}

(weight/volume). The density of the solution is

1.84 g {mL}^{- 1}

.

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12th ICSE

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ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.9

5.85 g

of

NaCl

are dissolved in

500 {cm}^{3}

of water. Calculate the formality of the solution.

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12th ICSE

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ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.1

Calculate the mole fraction of water in a mixture of

12 g

of water,

108 g

of acetic acid and

92 g

of ethyl alcohol.

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12th ICSE

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ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.11

2.46 g

of sodium hydroxide (molar mass

= 40

) are dissolved in water and the solution is made to

100 {cm}^{3}

in a volumetric flask. Calculate the molarity of the solution.

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ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.12

Concentrated nitric acid used as a laboratory reagent is usually

69 %

by mass of nitric acid. Calculate the volume of the solution which contained

23 g

of

{HNO}_{3}

. Density of conc.

{HNO}_{3}

solution is

1.41 g {cm}^{- 3}

.

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.13

100 {cm}^{3}

of a centimolar solution of an acid contain

0.098 g

of the acid. Find the molecular mass of the acid.

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12th ICSE

IMPORTANT

ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.14

Calculate the mole fraction of ethyl alcohol and water in a solution in which

46 g

of ethyl alcohol and

180 g

of water are mixed together.