Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 19

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Mole fraction of solvent in aqueous solution of $NaOH$ having molality of $3$ is

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Important Questions on Some Basic Concepts of Chemistry

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 20

Concentrated aqueous sulphuric acid is 98%

H_{2} {SO}_{4}

by mass and has a density of

1.80 g {mL}^{- 1} .

Volume of acid required to make one litre of

0.1 M H_{2} {SO}_{4}

solution

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 21

Ammonia gas is passed into water, yielding a solution of density

0.93 g {cm}^{- 3}

and containing

18.6 % {NH}_{3}

by weight. The mass of

{NH}_{3} per cc

of the solution is

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 22

6.025 \times 10^{20}

molecules of acetic acid are present in

500 ml

of its solution. The concentration of solution is

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 23

74.5 g

of metal chloride contains

35.5 g

of chlorine.
The equivalent weight of metal is

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 24

Equivalent weight of crystalline oxalic acid is:

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 25

Equivalent mass of

H_{3} {PO}_{4}

(Molar mass

= M

) for the given reaction,

H_{3} {PO}_{4} + Ca {(OH)}_{2} \to {CaHPO}_{4} + 2 H_{2} O

is

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 26

Equivalent mass of a metal is

12 g {mol}^{- 1}

. Hence, equivalent mass of its oxide is

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Gamma Question Bank for Medical Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Assignment>Q 27

4 g

of a metal oxide contains

1.6 g

oxygen, then equivalent mass of the metal is