Solutions Test

Result

Solutions Test - 25

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Weekly Quiz Competition

Question 1
4 / -1

A molal solution of sodium chloride has a density of 1.21g ml^-1. The molarity of this solution is

A
4.15

B
1.143

C
2.95

D
3.15

Solution
Question 2
4 / -1

What is the molarity of H₂SO₄ solution that has a density 1.84 gm/cc at 35^oC and contains 98% H₂SO₄ by weight?

A
4.18 M

B
8.14 M

C
18.4 M

D
18 M

Solution
Question 3
4 / -1

The normality of 1 M H₃PO₄ is

A
1 N

B
0.5 N

C
2 N

D
3 N
Question 4
4 / -1

98 g H₂SO₄ is present in one litre. The solution is

A
1 molar

B
1 normal

C
1 molal

D
2 molar
Question 5
4 / -1

The molarity of a solution prepared by adding 7.1g of Na₂SO₄ (formula weight 142u) to enough water to make 100 ml volume is

A
2.0 M

B
1.0 M

C
0.5 M

D
0.05 M

Solution
Question 6
4 / -1

The molarity of pure water is

A
55.6

B
50

C
100

D
18

Solution
Question 7
4 / -1

The mole fraction of water in 20% aqueous solution of H₂O₂ is

A

B

C

D

Solution
Question 8
4 / -1

How many grams of CH₃OH would have to be added to water to prepare 150 ml of a solution that is 2.0 M CH₃OH ?

A
9.6

B
2.4

C
9.6 × 10³

D
4.3 × 10²

Solution
Question 9
4 / -1

A sugar syrup of weight 214.2 grams contains 34.2 grams of water. The molal concentration is

A
0.55

B
5.5

C
55

D
0.1

Solution
Question 10
4 / -1

An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 ml. The volume of 0.1 N NaOH required to completely neutralize 10 ml of this solution is

A
40 ml

B
20 ml

C
10 ml

D
4 ml

Solution