Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 63

EASY

NEET

IMPORTANT

Earn 100

The molarity of urea (molar mass ${60 g mol}^{-1}$ ) solution prepared by dissolving $15 g$ urea in $500 {cm}^{3}$ of water is _______.

[MHT CET 2018]

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Important Questions on Solutions

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 64

What is the molarity of a

450 mL

solution containing

5 g

of

NaOH

?

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 65

What is the weight (in

g

) of

{Na}_{2} {CO}_{3}

( molar mass

= 106 g {mol}^{- 1}

) present in

250 mL

of its

0.2 M

solution?

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 66

{6.02×10}^{20}

molecules of urea are present in

100 mL

of its solution. The concentration of the solution is_______.

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 67

25 mL

of a solution of barium hydroxide on titration with a

0.1

molar solution of hydrochloric acid gave a titre value of

35 mL

. The molarity of barium hydroxide solution was______

M

.

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 68

25 {cm}^{3}

of oxalic acid completely neutralised

0.064 g

of sodium hydroxide. Molarity of the oxalic acid solution--------

M

.

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 69

What is the volume (in

mL

) of

0.5 M NaOH

required to prepare one litre of

0.2 M NaOH

?

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 70

Two solutions of a substance (non-electrolyte) are mixed in the following manner: $480 mL of 1.5 M$ first solution $+$ $520 mL of 1.2 M$ second solution. What is the molarity of the final mixture?

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 71

Equimolar solutions in the same solvent have ______.