Chemistry · JEE

Different methods for expressing the concentration of solution: molality, molarity, mole fraction, percentage (by volume and mass both) Mock Test for JEE

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Part of Solutions in JEE Main Chemistry.

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Q1ChemistryUnit 5: Solutions

Hydrochloric acid solution

A

and

B

have a concentration of

0.5 N

and

0.1 N

respectively. The volume of solutions

\boldsymbol{A}

and

B

required to make 2 litres of

\mathbf{0 . 2} \mathbf{N} \mathbf{H} \mathbf{C l}

are:

Q2ChemistryUnit 5: Solutions

The volume of ethyl alcohol (density

1.15 g / c c)

that has to be added to prepare

100 \mathrm{cc}

0.5 \mathrm{M}

ethyl alcohol solution in water is :

Q3ChemistryUnit 5: Solutions

Calculate the molality of a

1 \mathrm{M}

solution of sodium nitrate. The density of the solution is

1.25 g c m^{-3}

Q4ChemistryUnit 5: Solutions

Molarity is expressed as:

Q5ChemistryUnit 5: Solutions

Number of moles of solute in solution is represented by :

Q6ChemistryUnit 5: Solutions

The solubility of a substance is defined as the amount of solute in grams:

Q7ChemistryUnit 5: Solutions

Which of the following solutions has the more capacity dissolve the solute in the solvent?

Q8ChemistryUnit 5: Solutions

The molarity of

98 \%

\mathbf{H}_{2} \mathbf{S O}_{4}(\boldsymbol{d}=\mathbf{1} . \mathbf{8} \boldsymbol{g} / \boldsymbol{m} \boldsymbol{L})

by weight is:

Q9ChemistryUnit 5: Solutions

What is the mole fraction of glucose in

10 \%

w/w glucose solution?

Q10ChemistryUnit 5: Solutions

The solubility curve of

\boldsymbol{K} \boldsymbol{N} \boldsymbol{O}_{3}

in water is shown below. The amount of

K N O_{3}

that dissolves in

50 g

of water at 40 is closest to:

Q11ChemistryUnit 5: Solutions

Two solutions labelled as

3 \mathrm{M}

HCl and 1 M HCl are mixed in the ratio of

x: y

by volume and the molarity of mixture solution becomes 1.5 M. What is the molarity of the resulting solution if they are mixed in the ratio of

y: x

by volume

?

Q12ChemistryUnit 5: Solutions

4.28 \mathrm{g}

\mathrm{NaOH}

is dissolved in water and the solution is made to 250 cc. What will be the molarity of the solution?

Q13ChemistryUnit 5: Solutions

Conductivity of a solution is affected by:

Q14ChemistryUnit 5: Solutions

The concentration of dissolved oxygen (DO) in cold water can go upto:

Q15ChemistryUnit 5: Solutions

When 5.0 gram of

B a C l_{2}

is dissolved in water to have

10^{6}

gram of solution. The concentration of a solution is:

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