#8 | Conc. of Solutions: II
(Chemistry) > Some Basic Concepts Of Chemistry
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How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO3? The concentrated acid is 70% HNO3.

(1) 45.0 g conc. HNO3

(2) 90.0 g conc. HNO3

(3) 70.0 g conc. HNO3

(4) 54.0 g conc. HNO3

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Find the molality of 15% (w/vol.) solution of H2SO4 of density 1.1g/cm3 :

1. 1.2

2. 1.4

3. 1.8

4. 1.6

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Which mode of expressing concentration is independent of temperature?

(1) Molality

(2) Percent by mass

(3) Mole fraction

(4) All of these

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The molality of 1M solution of NaCl ( specific gravity 1.0585 g/mL ) is:

(1) 1.0585

(2) 1.0

(3) 0.10

(4) 0.0585

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The total molarity of all the ions containing 0.1 M of CuSO4 and o.1M of Al2(SO4)3 is:

(1) 0.2M

(2) 0.7M

(3) 0.8M

(4) 1.2M

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