wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Solutions Acids and Bases

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
2.

At what temperature can you fully dissolve 140g of NaNO3?

a)

62

b)

73

c)

81

d)

You cannot determine this

3.

The sugar solution needs ___ grams of solute dissolved in 100ml of water at 60⁰ C to make the solution supersaturated

a)

200 grams

b)

350 grams

c)

500 grams

d)

300 grams

4.
When a substance can dissolve in another substance, it is said to be..
a)
soluble
b)
insoluble
c)
miscible
d)
immiscible
5.

Oil does not dissolve in water. Which term would best describe a mixture of oil and water?

a)

miscible

b)

immiscible

c)

saturated

d)

unsaturated

6.

What term is used to describe two liquids that will mix and dissolve in each other?

a)

miscible

b)

liquid

c)

immiscible

d)

gas

7.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

8.

What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

9.
What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?
a)
0.018 M
b)
0.018 mol
c)
1.052 M
d)
1.052 mol
10.
If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?
a)
20.9 mol
b)
0.021 mol
c)
0.02 mol
d)
0.0209 mol
11.
What is the molarity in 650. ml of solution containing 63 grams of sodium chloride?
a)
2.4 M
b)
0.86 M
c)
1.7 M
d)
0.54 M
12.
Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.
a)
0.750 M
b)
99 M
c)
1.3 M
d)
2.0 M
13.
Determine the mole fraction of SOLUTE in a solution with 2 moles of acetic acid C2H4O2 and 2 moles of water.
a)
.5
b)
.25
c)
1
d)
.2
14.
If the percent by volume is 2.0% and the volume of solution is 250 mL, what is the volume of solute in solution?
a)
0.5 mL
b)
1.25 mL
c)
5.0 mL
d)
12.5 mL
15.
What is the mole fraction of ethanol when 0.504 mol of ethanol are mixed with 4.06 mol of water?
a)
0.110
b)
0.124
c)
0.097
16.
Calculate the mole fraction of benzene (C6H6) in a solution of 46.8 g benzene and 36.8 g of toluene (C7H8).
a)
0.404
b)
0.596
c)
0.712
d)
0.312
17.
What is the percent-by-mass, concentration of sucrose in a solution made by dissolving 7.6 g of sucrose in 83.4 g of water?
a)
0.0835
b)
2.78
c)
8.35
d)
0.0278
18.
You have 125 g of potassium sulfate in 325.6 g of water.  What is the mass percent of your solution?
a)
27.7
b)
35.6
c)
15.8
d)
5.79
19.
Determine the molarity of 2.25 mole of sulfuric acid, H2SO4, dissolved in 725 mL of solution.
a)
322.2 M
b)
3.1 M
c)
0.32 M
d)
2.25 M
20.
What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?
a)
0.014 %
b)
1.4 %
c)
0.13%
21.
What is the concentration, in percent by volume, of 15.3 mL of solute in 2.65 L of solution?
a)
0.58%
b)
0.0058%
c)
5.8%
22.

If 2.5 L of a 4M solution of FeCl3 is diluted to a volume of 6 L by the addition of water, what is the molarity of the diluted solution?

a)

2.5 M

b)

4.17 M

c)

6.25 M

d)

1.67 M

23.

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?

a)

15.9 M

b)

0.636 M

c)

0.642 M

d)

1.59 M

24.

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

a)

167 mL

b)

42.0 mL

c)

93.8 mL

d)

0.0240 mL

25.

As we dilute a solution.....

a)

The volume increases and the molarity (M) increases

b)

The volume increases and the molarity (M) decreases

c)

The volume decreases and the molarity (M) increases

d)

The volume decreases and the molarity (M) decreases

26.

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

a)

7.5 mL

b)

15 mL

c)

1333 mL

d)

200 mL

27.

The pH of a solution is 8.43. What is the hydrogen ion H+ concentration?

a)

3.7 x 10-9 M

b)

2.7 x 10-6 M

c)

1.0 x 10-8.43 M

d)

1.0 x 10-14

28.

If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is

a)

10.44

b)

3.56

c)

1.00

d)

-4.43

29.

if the [H+] of a solution is 8.4 x 10-3 M, the pOH of the solution will be

a)

2.08

b)

11.92

c)

1.02

d)

12.98

30.

if a solution has a pOH of 5.2 the [OH-] of the solution is

a)

6 x 10 6 M

b)

6.3 x 10 -6 M

c)

1.58 x 10-5 M

d)

2 x 10-5 M

31.

Limes have a [H+] of 1.3 x 10-2 M. Their pOH is

a)

1.89

b)

12.11

c)

1.03

d)

12.97

32.

When an acid and base has been neutralized the pH will be?

a)

1

b)

4

c)

7

d)

10

33.
A solution with a [H+] of 9.4 x 10-5 mol/L is said to be
a)
Acidic
b)
Basic
c)
Neutral
d)
negative number, no solution.
34.

What is the pOH of a 0.0124 M HCl solution?

a)

1.91

b)

12.09

c)

1.61

d)

12.39

35.

When the hydrogen ion concentration goes up, the pH ___

a)

gets lower

b)

stays the same

c)

gets higher

d)

goes toward 7

36.

According to Bronsted-Lowry, what is the definition of an BASE?

a)

a substance that donates a hydrogen (H+) ion

b)

a substance that donates a hydroxide (OH-) ion

c)

a substance that accepts a hydrogen (H+) ion

d)

a substance that accepts a hydroxide (OH-) ion

37.

What is being donated/accepted between conjugate acid-base pairs?

a)

a hydrogen (H+) ion

b)

a hydroxide (OH-) ion

c)

water

d)

a neutron

38.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
39.
Which of the following shows the correct conjugate acid base pair?
a)
HCI (acid) / H3O+ (conjugate base)
b)
HCI (acid) / CI- (conjugate base)
c)
HCI (base) / CI- (conjugate acid)
d)
HCI (base) / H3O+ (conjugate acid)
40.

Which of the following is an Arrhenius Acid?

a)

LiOH

b)

CO32-

c)

OH-

d)

H3PO4

41.

A bronsted lowry acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

42.

An arrhenius acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

43.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
44.
A solution with a [H+] of 9.4 x 10-5 mol/L is said to be
a)
Acidic
b)
Basic
c)
Neutral
d)
negative number, no solution.
45.

What is the [OH-] if the pH is 4.900?

a)

7.94 x 10-10 M

b)

1.00 x 10-4 M

c)

7.94 x 10-14 M

d)

4.90 x 10-10 M

46.

In the following chemical equation, which compound is the Bronsted-Lowry base?

HCl + NH3 → NH4+ + Cl−

a)

HCl

b)

NH3

c)

NH4+

d)

Cl−

47.

In the following chemical equation, which compound is the Bronsted-Lowry acid?

HCl + NH3 → NH4+ + Cl−

a)

HCl

b)

NH3

c)

NH4+

d)

Cl−

48.

Identify the conjugate base in the following reaction: HNO₂ + H₂O ⇌ NO₂⁻ + H₃O⁺

a)

HNO₂

b)

H₂O

c)

NO₂⁻

d)

H₃O⁺

49.

What happens when a strong acid is dissolved in water?

a)

It partially ionizes into H3O+ and its conjugate base

b)

It does not ionize at all

c)

It completely ionizes into H3O+ and its conjugate base

d)

It forms a precipitate.

50.

NH3 + H2O --> NH4+ + OH-

What is H2O in this reaction?

a)

acid

b)

base

c)

conjugate acid

d)

conjugate base

Similar Resources on Wayground

ÔN TẬP CHƯƠNG 1,2 HÓA 12

50 questions

ÔN TẬP CHƯƠNG 1,2 HÓA 12

quiz

Worksheet

•

12th Grade

KIMIA 2017

51 questions

KIMIA 2017

quiz

Worksheet

•

11th - 12th Grade

Nomenclature & Chemical Reactions

46 questions

Nomenclature & Chemical Reactions

quiz

Worksheet

•

9th - 10th Grade

Elements

50 questions

Elements

quiz

Worksheet

•

11th Grade

EOC Review 2016-2017

50 questions

EOC Review 2016-2017

quiz

Worksheet

•

9th - 12th Grade

Edexcel iGCSE Extracting metals and Structure and bonding

45 questions

Edexcel iGCSE Extracting metals and Structure and bonding

quiz

Worksheet

•

9th - 11th Grade