Expressing Concentration of Solutions
CHXII02:SOLUTIONS

319241 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Mass percentage
P
Medicine and pharmacy
B
Mass by volume
Q
Concentration of pollutatnts in water
C
ppm
R
Industrial chemical application
D
Volume percentage
S
Liquid solutions

1 A - Q, B - P, C - S, D - R
2 A - S, B - R, C - P, D - Q
3 A - R, B - Q, C - S, D - P
4 A - R, B - P, C - Q, D - S
CHXII02:SOLUTIONS

319242 The density of ' \({\mathrm{x}}\) ' \({\mathrm{M}}\) solution (' \({\mathrm{x}}\) ' molar) of NaOH is \({\mathrm{1.12 \mathrm{~g} \mathrm{~mL}^{-1}}}\), while in molality, the concentration of the solution is 3 m ( 3 molal).
Then x is (Given : Molar mass of NaOH is \({\mathrm{40 \mathrm{~g} / \mathrm{mol}}}\) )

1 3.8
2 3.5
3 2.8
4 3.0
CHXII02:SOLUTIONS

319243 What is the volume percentage of the ethanol solution in water if 10 mL of ethanol is dissolved in water and the total volume of the solution is 100 mL?

1 \(5\% \) ethanol solution
2 \(10\% \) ethanol solution
3 \(15\% \) ethanol solution
4 \(20\% \) ethanol solution
CHXII02:SOLUTIONS

319241 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Mass percentage
P
Medicine and pharmacy
B
Mass by volume
Q
Concentration of pollutatnts in water
C
ppm
R
Industrial chemical application
D
Volume percentage
S
Liquid solutions

1 A - Q, B - P, C - S, D - R
2 A - S, B - R, C - P, D - Q
3 A - R, B - Q, C - S, D - P
4 A - R, B - P, C - Q, D - S
CHXII02:SOLUTIONS

319242 The density of ' \({\mathrm{x}}\) ' \({\mathrm{M}}\) solution (' \({\mathrm{x}}\) ' molar) of NaOH is \({\mathrm{1.12 \mathrm{~g} \mathrm{~mL}^{-1}}}\), while in molality, the concentration of the solution is 3 m ( 3 molal).
Then x is (Given : Molar mass of NaOH is \({\mathrm{40 \mathrm{~g} / \mathrm{mol}}}\) )

1 3.8
2 3.5
3 2.8
4 3.0
CHXII02:SOLUTIONS

319243 What is the volume percentage of the ethanol solution in water if 10 mL of ethanol is dissolved in water and the total volume of the solution is 100 mL?

1 \(5\% \) ethanol solution
2 \(10\% \) ethanol solution
3 \(15\% \) ethanol solution
4 \(20\% \) ethanol solution
CHXII02:SOLUTIONS

319241 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Mass percentage
P
Medicine and pharmacy
B
Mass by volume
Q
Concentration of pollutatnts in water
C
ppm
R
Industrial chemical application
D
Volume percentage
S
Liquid solutions

1 A - Q, B - P, C - S, D - R
2 A - S, B - R, C - P, D - Q
3 A - R, B - Q, C - S, D - P
4 A - R, B - P, C - Q, D - S
CHXII02:SOLUTIONS

319242 The density of ' \({\mathrm{x}}\) ' \({\mathrm{M}}\) solution (' \({\mathrm{x}}\) ' molar) of NaOH is \({\mathrm{1.12 \mathrm{~g} \mathrm{~mL}^{-1}}}\), while in molality, the concentration of the solution is 3 m ( 3 molal).
Then x is (Given : Molar mass of NaOH is \({\mathrm{40 \mathrm{~g} / \mathrm{mol}}}\) )

1 3.8
2 3.5
3 2.8
4 3.0
CHXII02:SOLUTIONS

319243 What is the volume percentage of the ethanol solution in water if 10 mL of ethanol is dissolved in water and the total volume of the solution is 100 mL?

1 \(5\% \) ethanol solution
2 \(10\% \) ethanol solution
3 \(15\% \) ethanol solution
4 \(20\% \) ethanol solution
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here