Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 3

MEDIUM

NEET

IMPORTANT

Earn 100

What will be the value of molality for an aqueous solution of $10 % w / w$ $NaOH$ ?

100% studentsanswered this correctly

Important Questions on Solutions

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 4

The percent weight of

NaOH

in

1.25

molal sodium hydroxide solution is______.

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 5

The density of

2 % w / w

aqueous

KI

solution is

1.202 g {mL}^{-1}

. What is the approximate molality?

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 6

What is the mole fraction of the solute in a

1 m

aqueous solution?

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 7

0.2

molal

NaOH

solution is prepared in water (density of

H_{2} O is 1 kg {cm}^{-3}

). Mole fraction of solute is______.

EASY

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 8

Which of the following is dependent on temperature?

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 9

Solubility of which among the following solids in water changes slightly with temperature?

HARD

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 10

At $100 ° C$ , the vapour pressure of a solution of $6.5 g$ of a solute in $100 g$ water is $732 mm$ . If $K_{b} =0.52$ , the boiling point of this solution will be _____.

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 3>Q 11

The vapour pressure of pure benzene at

25^{0} C

is

180 mm Hg

. The vapour pressure lowering caused by the addition of

25 g

of a solute (molar mass

= 342

) to

250 g

of benzene is______.