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Titration

Total questions: 76

Worksheet time: 3hrs 9mins

Name
Class
Date
1.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

2.

What is the reading on this burette?

a)

24.0cm3

b)

25.8cm3

c)

24.2cm3

d)

23.9cm3

3.

Calculate the average volume of acid needed for this neutralisation

a)

15.2cm3

b)

15.0cm3

c)

35.5cm3

d)

30.1cm3

4.

What is the average titre needed for neutralisation?

a)

25.2cm3

b)

59.7cm3

c)

25.0cm3

d)

25.4cm3

5.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/l HCl. What is the concentration of the NaOH.

a)

82 mol/l

b)

0.82 mol/l

c)

0.49 mol/l

d)

0.082 mol/l

6.
I have 50cmof 0.1M HCl. How many moles of NaOH will I need to neutralise it?
a)
5
b)
0.5
c)
0.05
d)
0.005
7.
The reaction of perchloric acid (HClO4) with lithium hydroxide (KOH) is described by the equation
HClO4 + KOH → KClO4 + H2O
Suppose 100 mL of perchloric acid is neutralized by exactly 50,0 mL of 1.0 M of Potassium hydroxide. What is the concentration of the perchloric acid?
a)
0.5M
b)
50M
c)
2.0M
d)
1.0M
8.
I have 50cmof 0.1M HCl. How many moles of NaOH will I need to neutralise it?
a)
5
b)
0.5
c)
0.05
d)
0.005
9.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

10.

What is the reading on this burette?

a)

24.0cm3

b)

25.8cm3

c)

24.2cm3

d)

23.9cm3

11.

Which of these titres are concordant?

a)

12.7cm3

b)

12.3cm3

c)

12.4cm3

d)

12.0cm3

12.

Calculate the average volume of acid needed for this neutralisation

a)

15.2cm3

b)

15.0cm3

c)

35.5cm3

d)

30.1cm3

13.

What is the average titre needed for neutralisation?

a)

25.2cm3

b)

59.7cm3

c)

25.0cm3

d)

25.4cm3

14.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/l HCl. What is the concentration of the NaOH.

a)

82 mol/l

b)

0.82 mol/l

c)

0.49 mol/l

d)

0.082 mol/l

15.
I have 50cmof 0.1M HCl. How many moles of NaOH will I need to neutralise it?
a)
5
b)
0.5
c)
0.05
d)
0.005
16.
The reaction of perchloric acid (HClO4) with lithium hydroxide (KOH) is described by the equation
HClO4 + KOH → KClO4 + H2O
Suppose 100 mL of perchloric acid is neutralized by exactly 50,0 mL of 1.0 M of Potassium hydroxide. What is the concentration of the perchloric acid?
a)
0.5M
b)
50M
c)
2.0M
d)
1.0M
17.
The reaction of sulfuric acid (H2SO4) with Sodium hydroxide (NaOH) is described by the equation:
H2SO4 + 2NaOH → Na2SO4 + 2H2O
Suppose 50 mL of NaOH with unknown concentration is placed in a flask with bromthymol blue indicator. A solution of 0.20 M H2SO4 is dripped into the NaOH solution. After exactly 25.0 mL of H2SO4 is added, the indicator changes from blue to yellow. What is the concentration of the KOH?
a)
0.20M
b)
4.0M
c)
2.5M
d)
0.4M
18.
The reaction of hydrochloric acid (HCl) with ammonia (NH3) is described by the equation:
HCl + NH3 → NH4Cl
A student is titrating 100.0 mL of 0.10 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?
a)
20.0mL
b)
500.0mL
c)
100.0mL
d)
5.0mL
19.
A 50.0 mL sample of Ca(OH)2 is neutralized by 300.0 mL of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)2 solution.
a)
1.0 M
b)
0.50 M
c)
0.15 M 
d)
0.30 M
20.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/l HCl. What is the concentration of the NaOH.

a)

82 mol/l

b)

0.82 mol/l

c)

0.49 mol/l

d)

0.082 mol/l

21.
If it takes 50 mL of 0.5 M Ca(OH)2 to neutralize 125 mL of sulfuric acid, what is the concentration of the acid?
a)
0.2 M
b)
5 M
c)
0.5 M
22.
How many milliliters of 0.360 M H2SO4 are required to neutralize 25 mL of 0.1 M Ba(OH)2?
a)
6.944 mL
b)
0.144 mL
c)
0.069 mL
23.
What is the molarity of a NaOH solution if 11.6 mL of 3 M HCl was used to neutralize 25 mL of NaOH?
a)
1.392 M
b)
0.155 M
c)
0.718 M
24.

Calculate the volume of a 0.15 M Ba(OH)2 solution required to completely neutralize 45 ml of a 0.29 M HNO3 solution.

a)

43.5 ml

b)

87 ml

c)

23.3 ml

d)

51.9 ml

25.

What mass of KHP will be completely neutrilized by 32.57 ml 0.175 M standard NaOH solution? The Molar Mass of KPH is 204.22 g/mol.

a)

23.28 g KHP

b)

1.164 g KHP

c)

11.64 g KHP

d)

2.328 g KHP

26.
HCl + NaOH → 
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
27.
Acid + Base ₋--> 
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
28.
what is the reading on this burette?
a)
4.40mL
b)
3.50mL
c)
3.60mL
d)
4.50mL
29.
If phenolphthalein turns bright pink, it indicates
a)
an acid 
b)
a base
c)
a neutral
30.

What is the concentration of a HCl solution if 24.7 cm3 of HCl are completely neutrilized by 35.8 cm3 of a 0.25 M NaOH solution?

a)

0.362 M

b)

3.62 M

c)

0.172 M

d)

35.4 M

31.

What mass of KHP will be completely neutrilized by 32.57 cm3 0.175 M standard NaOH solution? The Molar Mass of KPH is 204.22 g/mol.

a)

23.28 g KHP

b)

1.164 g KHP

c)

11.64 g KHP

d)

2.328 g KHP

32.

Calculate the volume of a 0.15 M Ba(OH)2 solution required to completely neutralize 45 cm3 of a 0.29 M HNO3 solution.

a)

43.5 cm3

b)

87 cm3

c)

23.3 cm3

d)

51.9 cm3

33.

If it takes 54 cm3 of 0.1 M NaOH to neutralize 125 cm3 of an HCl solution, what is the concentration of HCl?

a)

0.043 M

b)

23.148 M

c)

0.231 M

34.

If it takes 25 cm3 of 0.05 M HCl to neutralize 345 cm3 of NaOH solutions, what is the concentration of the NaOH solution?

a)

0.004 M

b)

276 M

c)

0.036 M

35.

How many milliliters of 0.360 M H2SO4 are required to neutralize 25 cm3 of 0.1 M Ba(OH)2?

a)

6.944 cm3

b)

0.144 cm3

c)

0.069 cm3

36.

What is the equivalence point of a titration?

a)

Where the amount of acid and base are balanced according to the equation

b)

Where there is no base

c)

At the end

37.

A 50.0 cm3 sample of Ca(OH)2 is neutralized by 300.0 cm3 of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)2 solution.

a)

1.0 M

b)

0.50 M

c)

0.15 M

d)

0.30 M

38.
For the acid-base titration combination of NaOH with 0.79 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl.
a)
0.79 mol
b)
1.6 mol
c)
0.38 mol
d)
3.2 mol
39.

The reaction of perchloric acid (HClO4) with lithium hydroxide (LiOH) is described by the equation

HClO4 + LiOH → LiClO4 + H2O

Suppose 100 cm3 of perchloric acid is neutralized by exactly 50.0 cm3 of 1.0 M of lithium hydroxide. What is the concentration of the perchloric acid?

a)

0.5 M

b)

50 M

c)

2.0 M

d)

1.0 M

40.

The reaction of sulfuric acid (H2SO4) with Sodium hydroxide (NaOH) is described by the equation:

H2SO4 + 2NaOH → Na2SO4 + 2H2O

Suppose 50 cm3 of NaOH with unknown concentration is placed in a flask with bromthymol blue indicator. A solution of 0.20 M H2SO4 is dripped into the NaOH solution. After exactly 25.0 cm3 of H2SO4 is added, the indicator changes from blue to yellow. What is the concentration of the KOH?

a)

0.20 M

b)

4.0 M

c)

2.5 M

d)

0.4 M

41.

The reaction of hydrochloric acid (HCl) with ammonia (NH3) is described by the equation:

HCl + NH3 → NH4Cl

A student is titrating 100.0 cm3 of 0.10 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?

a)

20.0 cm3

b)

500.0 cm3

c)

100.0 cm3

d)

5.0 cm3

42.

A 50.0 mL sample of Ca(OH)2 is neutralized by 300.0 cm3 of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)2 solution.

a)

1.0 M

b)

0.50 M

c)

0.15 M

d)

0.30 M

43.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/dm3 HCl. What is the concentration of the NaOH.

a)

82 mol/dm3

b)

0.82 mol/dm3

c)

0.49 mol/dm3

d)

0.082 mol/dm3

44.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/dm3 HCl. What is the concentration of the NaOH.

a)

82 mol/dm3

b)

0.82 mol/dm3

c)

0.49 mol/dm3

d)

0.082 mol/dm3

45.

A __________ reaction is when an acid and a base are reacted together to produce water and a salt.

a)

Neutralization

b)

Volcanic

c)

Decomposition

d)

Single replacement

46.

A(n) ___________ is a procedure in which a solution of known concentration is used to determine the concentration of an unknown solution.

a)

experiment

b)

titration

c)

chemistry

d)

reaction

47.

The solution of known concentration is also referred to as the __________ solution.

a)

perfect

b)

concentrated

c)

standard

d)

dilute

48.

The __________ of a titration occurs when you have added just enough of the one solution to completely react with the other solution.

a)

endpoint

b)

neutralization

c)

base

d)

acid

49.

A(n) __________ is used to indicate the end of a titration.

a)

pH

b)

chemical

c)

measurement

d)

indicator

50.

Write a balanced chemical equation for the reaction of the following acid and base:

___ NaOH + ___ HNO3 -->

4 lines
51.

Write a balanced chemical equation for the reaction of the following acid and base:

___ H2SO4 + ___KOH -->

4 lines
52.

Write a balanced chemical equation for the reaction of the following acid and base:

___ Al(OH)3 + ___HCl -->

4 lines
53.

A 0.025L solution of HCl is neutralized by 0.018L of a 1.0 M NaOH solution. What is the concentration of the HCl solution?

Use the steps in your notes to help you set up this problem!

a)

1.44 M

b)

4 M

c)

0.72 M

d)

None of the above

54.

A 0.050L solution of Ba(OH)2 is neutralized by 0.072L of a 0.55 M HNO3 solution. What is the concentration of the Ba(OH)2 solution?

a)

2 M

b)

0.40 M

c)

1.2 M

d)

None of the above

55.

A 0.125L solution of NaOH is neutralized by 0.0425L of a 0.65 M H2SO4 solution. What is the concentration of the NaOH solution?

a)

0.1 M

b)

1.6 M

c)

0.44 M

d)

None of the above

56.

A 0.0800L solution of Ca(OH)2 is neutralized by 0.0293L of a 3.58 M H2CrO4 solution. What is the concentration of the Ca(OH)2 solution?

a)

1.31 M

b)

0.49 M

c)

5.32 M

d)

None of the above

57.
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of HCl?
a)
0.043 M
b)
23.148 M
c)
0.231 M
58.
If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solutions, what is the concentration of the NaOH solution?
a)
0.004 M
b)
276 M
c)
0.036 M
59.
If it takes 50 mL of 0.5 M Ca(OH)2 to neutralize 125 mL of sulfuric acid, what is the concentration of the acid?
a)
0.2 M
b)
5 M
c)
0.5 M
60.
How many milliliters of 0.360 M H2SO4 are required to neutralize 25 mL of 0.1 M Ba(OH)2?
a)
6.944 mL
b)
0.144 mL
c)
0.069 mL
61.
What is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.1 M NaOH?
a)
0.16 M
b)
6.25 M
c)
0.063 M
62.
A neutralization reaction involves when an acid and base reacts to produce
a)
a new acid and a new base
b)
water and salt
c)
carbon dioxide and water
63.
Titration is a process in which a neutralization reaction is used to determine the ______ of a solution.
a)
molarity
b)
volume
c)
moles 
64.
HCl + NaOH → 
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
65.
Identify the products of the chemical equation
3 LiOH + H3PO4
a)
Li3PO4 + 3 H2O
b)
LiPO4 + 3 H2O
c)
Li(PO4)3 + 3 H2O
d)
BOY + La + N2
66.
Changes the color of indicators.
a)
Acids
b)
Bases
c)
All
67.
If phenolphthalein turns bright pink, it indicates
a)
an acid 
b)
a base
c)
a neutral
68.
Which of the following is a conjugate acid/base pair?
a)
HCl/OCl-
b)
H2SO4/SO42-
c)
NH4+/NH3
d)
H3O+/OH-
69.
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of HCl?
a)
0.043 M
b)
23.148 M
c)
0.231 M
70.
If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solutions, what is the concentration of the NaOH solution?
a)
0.004 M
b)
276 M
c)
0.036 M
71.
If it takes 50 mL of 0.5 M Ca(OH)2 to neutralize 125 mL of sulfuric acid, what is the concentration of the acid?
a)
0.2 M
b)
5 M
c)
0.5 M
72.
How many milliliters of 0.360 M H2SO4 are required to neutralize 25 mL of 0.1 M Ba(OH)2?
a)
6.944 mL
b)
0.144 mL
c)
0.069 mL
73.
What is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.1 M NaOH?
a)
0.16 M
b)
6.25 M
c)
0.063 M
74.
What is the molarity of a NaOH solution if 11.6 mL of 3 M HCl was used to neutralize 25 mL of NaOH?
a)
1.392 M
b)
0.155 M
c)
0.718 M
75.
A neutralization reaction involves when an acid and base reacts to produce
a)
a new acid and a new base
b)
water and salt
c)
carbon dioxide and water
76.
Titration is a process in which a neutralization reaction is used to determine the ______ of a solution.
a)
molarity
b)
volume
c)
moles