Free Printable CHEM Test 4 (11th) 21-22

1.

$\frac{n_{solute}}{L_{solution}}$

a)

% w/w

b)

% w/v

c)

Molarity

2.

$\frac{g\ solute}{g\ solution}\cdot100$

a)

% w/w

b)

% w/v

c)

Molarity

3.

$\frac{g\ solution}{mL\ solution}\cdot100$

a)

% w/w

b)

% w/v

c)

Molarity

4.

5 mol of HCl are dissolved in 1 L of solution. The concentration of the solution is

a)

5 M

b)

2.5 M

c)

10 M

5.

A 3M solution of KCl will have

a)

$\frac{2\ mol\ KCl}{L\ solution}$

b)

$\frac{3\ mol\ KCl}{L\ solution}$

c)

$\frac{1\ mol\ KCl}{L\ solution}$

6.

2,5 mol of H₂SO₄ are dissolved in 500 mL of solution. The molarity of the solution will be

a)

2,5 M

b)

5 M

c)

0,5 M

7.

How many moles of NaCl are needed to prepare 200 mL of solution 2,5 M?

a)

0,5 mol NaCl

b)

12,5 mol NaCl

c)

1 mol NaCl

8.

What volume of solution 1,5 M can be prepared with 10 mol of K₂S?

a)

15 L

b)

3,33 L

c)

6,66 L

9.

150 g of H₂SO₄ are dissolved in 400 mL of solution. Calculate its molarity

a)

0,61 M

b)

3,83 M

c)

3,06 M

10.

How many grams of HCl are needed to prepare 800 mL of solution 0,6 M ?

a)

8,76 g HCl

b)

13,15 g HCl

c)

17,52 g HCl

11.

What volume of solution 3,5 M can be prepared with 300 g of H₂S ?

a)

2,52 L

b)

1,26 L

c)

0,39 L

12.

What is the equivalent weight of H₃PO₃ ?

a)

41 g/eq

b)

27,33 g/eq

c)

82 g/eq

13.

What is the equivalent weight of Mg(OH)₂ ?

a)

58 g/eq

b)

19, 33 g/eq

c)

29 g/eq

14.

What is the equivalent weight of KOH ?

a)

56 g/eq

b)

28 g/eq

c)

18,66 g/eq

CHEM Test 4 (11th) 21-22

Total questions: 14

Worksheet time: 14mins

Similar Resources on Wayground