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Chapter 13 - Volumetric Analysis

Total questions: 36

Worksheet time: 9hrs 0mins

Name
Class
Date
1.

During a titration, the end point and the equivalence point always occur at the same time.

a)

True

b)

False

2.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

3.

What is the reading on this burette?

a)

24.0cm3

b)

25.8cm3

c)

24.2cm3

d)

23.9cm3

4.

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

5.
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
6.
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
7.
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
8.

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

9.
what is the reading on this burette?
a)
4.40mL
b)
3.50mL
c)
3.60mL
d)
4.50mL
10.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
11.

A titration works by using a ___________________________ reaction.

a)

Single Replacement

b)

Neutralization

c)

Combustion

d)

Synthesis

12.

Indicators are used in a titration by changing ___________________ at different pH levels.

a)

smell

b)

shape

c)

phase

d)

color

13.

A titration can be used to determine the _______________ of a solution

a)

molarity

b)

density

c)

boiling point

d)

reactivity

14.

Volumetric analysis can be defined as_____________

a)

The determination of the identity of the solution

b)

The determination of the mole of a mixture with a known solution

c)

The determination of the concentration of a solution using a solution of known concentration

15.

In the titration equation, M1V1 = M2V2, what is M?

a)

Molarity

b)

Concentration

c)

Amount of solution

d)

Mass of mixture

16.

Using n = MV, calculate the mass required to prepare 2.5 L of 1.0 M NaOH solution. Given the MM for NaOH is 40 g/mol

a)

1000 g

b)

100 g

c)

10 g

d)

1 kg

17.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

18.

Which of these titres are concordant?

a)

12.7cm3

b)

12.3cm3

c)

12.4cm3

d)

12.0cm3

19.

What is the average titre needed for neutralisation?

a)

25.2cm3

b)

59.7cm3

c)

25.0cm3

d)

25.4cm3

20.

What is this apparatus used for titration called?

a)

Burette

b)

Volumetric Pipette

c)

Pipette filler

d)

Volumetric flask

21.

What is this apparatus used for titration called?

a)

Burette

b)

Volumetric Pipette

c)

Pipette filler

d)

Volumetric flask

22.

Which solution would you place in a burette

a)

Standard solution

b)

Unknown concentration solution

c)

Indicator

23.

Which solution would you place in a volumetric flask

a)

Standard solution

b)

Unknown concentration solution

c)

Indicator

24.
Which type of titration is shown by this titration curve?
a)
Titration of a strong acid by a strong base 
b)
Titration of a weak acid by a strong base 
c)
Titration of a strong base by a strong acid 
d)
Titration of a weak base by a strong acid
25.
Which graph shows how pH changes when weak base added to strong acid?
a)
A
b)
B
c)
C
d)
D
26.
Which acid base pair produce the titration curve shown below?
a)
HCI + KOH
b)
HCI + NH3
c)
CH3COOH + KOH
d)
CH3COOH + NH3
27.
Which acid base pair will produce a pH jump from 2.7 to 11.3 at equivalent point?
a)
HCI and NH3
b)
HCI and NaOH
c)
CH3COOH and NH3
d)
CH3COOH and NaOH
28.

What is the molarity of 4.0 grams of sodium chloride in 3,800 mL of solution? The molar mass of sodium chloride is 58.44 g = 1 mol.

a)

0.018 M

b)

0.068 M

c)

260 M

d)

1.1 M

29.

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)

0.097 mol

c)

10. mol

d)

0.021 mol

30.

What is the molarity of 2.5 mol of NaOH in 12.0 L of solution?

a)

0.21 M

b)

30 M

c)

4.8 M

d)

20.8 M

31.
What is the molarity of 4 grams of sodium chloride (NaCl) in 3,800 mL of solution?
a)
0.018 M
b)
0.018 m
c)
1.052 M
d)
1.052 m
32.
18.26 mL of a 1.50M hydrochloric acid reacts with magnesium hydroxide. Calculate the mass of magnesium hydroxide needed for the reaction. 
  Mg(OH)2  +  2 HCl  ->  2 H2O + MgCl2           
a)
4.68 g Mg(OH)2
b)
0.789 g Mg(OH)2
c)
0.0274 Mg(OH)2
d)
1.07 g Mg(OH)2
33.

To convert mL to L, one should:

a)

divide by 1000

b)

multiply by 1000

c)

divide by 100

d)

multiply by 100

34.

To convert L to mL, one should:

a)

divide by 1000

b)

multiply by 1000

c)

divide by 100

d)

multiply by 100

35.

Molarity is:

a)

moles per liter of solution

b)

written with a unit of M

c)

calculated by dividing the moles of a substance by the liters of solvent

d)

all of the above

36.

How many moles would be in 85mL of 0.75M KOH?

a)

113.3 mol

b)

1.13 mol

c)

.113mol

d)

0.06375mol

e)

63.75mol

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