Concentrated H C l is 10 N , 1000 cc of 1 N H C l can be obtained by diluting

100 cc of conc. H C l to 1000 cc

10 cc of conc. H C l to 1000 cc

20 cc of conc. H C l to 1000 cc

MEDIUM

Earn 100

What is the significance of Kf and Kb in water ?

Important Questions on Solutions

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The mass percentage of nitrogen in histamine is ________

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The molarity of a solution obtained by mixing

750 mL

0.5 (M) HCl

with

250 mL

2 (M) HCl

will be

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The molarity of

{H N O}_{3}

in a sample which has density

1.4 g / m L

and mass percentage of

63 %

is ________ (Molecular Weight of

{H N O}_{3} = 63

)

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The mole fraction of urea in an aqueous urea solution containing

900 g

of water is

0.05

. If the density of the solution is

1.2 g {c m}^{- 3}

, the molarity of urea solution is _______
(Given data: Molar masses of urea and water are

60 g {m o l}^{- 1}

and

18 g {m o l}^{- 1}

, respectively)

HARD

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

An antifreeze solution is prepared from

222.6 g

of ethylene glycol

(C_{2} H_{6} O_{2})

and

200 g

of water. Calculate the molality of the solution. If the density of the solution is

1.072 g {mL}^{- 1}

, then what shall be the molarity of the solution?

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

To what extent must a given solution of concentration of

40 m g

silver nitrate per ml be diluted to yield a solution of concentration of

16 m g

A g N O_{3}

per ml

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Two solutions of a substance (non-electrolyte) are mixed in the following manner. The first solution is

480 mL

1.5 M +

the second solution is

520 mL

1.2 M

. What is the molarity of the final mixture?

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The density (in

g {mL}^{- 1}

) of a

3.60 M

sulphuric acid solution that is

29 % H_{2} {SO}_{4}

(Molar mass

= 98 g {mol}^{- 1}

) by mass will be

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

You are given

1 L

0.183 (M) H C l

and

1 L o f 0.381 (M) H C l,

what maximum volume of

0.243 (M) H C l

you can produce by mixing these two solutions?

HARD

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Which of the following conversion is/are correctly depicted? The symbols used are

m =

molality of the solution;

M =

molarity of the solution;

x_{1}

and

x_{2} =

mole fractions of solvent and solute respectively.

M_{1}

and

M_{2} =

molar masses of solvent and solute respectively,

d =

density of solution.

m_{1}

and

m_{2}

are amounts of the solvent and solute respectively.

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Which of the following concentration is correct for

13

mass percent of sulphuric acid (density:

1.09 g {mL}^{- 1}

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Concentration $H_{2} {SO}_{4}$ has density of $1.9 g {mL}^{- 1}$ and is $99 %$ by weight. Calculate the molarity of $H_{2} {SO}_{4}$ $(Molecular weight of H_{2} {SO}_{4} = 98 g {mol}^{- 1})$ .

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Two solutions of a substance (non electrolyte) are mixed in the following manner.

$480 mL 1.5 M$ of first solution $+ 520 mL 1.2 M$ of second solution

What is the molarity of the final mixture?

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The molarity of 20.0 mass %

H_{2} S O_{4}

solution of density 11.14 g

c m^{- 3}

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Concentrated

H C l

10 N

, 1000 cc of

1 N

H C l

can be obtained by diluting

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Which ones are correct about the solution that contains

3.42

ppm {Al}_{2} {({SO}_{4})}_{3}

and

1.42 ppm

{Na}_{2} {SO}_{4} ?

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Which of the following graphs correctly represents the variations?

EASY

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

Under the same conditions how many ml of 1M KOH and 0.5 M

H_{2} S O_{4}

solutions, respectively when mixed for a total volume of 100 ml produce the highest rise in temperature

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

To a

4 L

0.2 M

solution of

N a O H, 2 L

0.5 M N a O H

is added. Molarity of the resulting solution is

MEDIUM

Chemistry>Physical Chemistry>Solutions>Methods of Expressing Concentration of a Solution

The density

(in g {mL}^{- 1})

of a

3.60 M

sulphuric acid solution that is

29 %

H_{2} {SO}_{4}

(Molar mass = 98 g {mol}^{- 1})

by mass will be

What is the significance of Kf and Kb in water ?

Important Questions on Solutions

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What is the significance of Kf and Kb in water ?