CONCENTRATION UNIT

CONCENTRATION UNIT

11th Grade

10 Qs

quiz-placeholder

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CONCENTRATION UNIT

CONCENTRATION UNIT

Assessment

Quiz

Chemistry

11th Grade

Medium

Created by

KMKlecturer AZIZAN

Used 13+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is molality?

no of mole of solute in 1 liter of solution
no of mole of solute in 1 kg of solvent

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Total number of mol fraction for all component in the solution is equal to

1.0
0.95
0.50
2.0

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate mol fraction of H2O in 1.33 molal NaOH solution.

0.56
0.76
0.98
0.84

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molarity of 4.0 g of NaCl (Molar mass=58.45) in 3,800 mL of solution?

0.018 M
0.001M
1.052 M
0.062 M

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the mole fraction of benzene (C6H6) in a solution of 46.8 g benzene and 36.8 g of toluene (C7H8).

0.4
0.6
0.7
0.5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the concentration of NaOH in a solution made by mixing 25.0 mL of 0.1 M NaOH with 100 mL of 0.2 M NaOH?

0.18 M
12.5 M
1.25 M
0.125 M

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The molarity of a solution prepared by dissolving 45.0 g of glucose (C6H12O6) in 71.0 mL of water is

0.0352 M
3.52 M
0.352 M
35.2 M

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