Choose the correct options for the following questions.
The molarity of 2% w/v NaOH solution is:
Difficulty: Easy
A:
0.25
B:
0.5
C:
0.1
D:
0.05
One molal solution is that which contains one mole of solute dissolved in:
Difficulty: Easy
A:
1000 g of solvent
B:
$ 1 dm^{3} of solution $
C:
$ 22.4 dm^{3} of solution$
D:
$ 1 dm^{3} of solvent
The sum of mole fraction of components of a solution is equal to:
Difficulty: Easy
A:
1
B:
Zero
C:
10
D:
100
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