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Worksheets

A-B TITRATION AND MOLARITY

Total questions: 12

Worksheet time: 3hrs 0mins

Name
Class
Date
1.

Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O.

a)

0.08 M

b)

12.5 M

c)

1.37 M

d)

0.74 M

2.

A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?

a)

0.10 M

b)

0.40 M

c)

1.25 M

d)

2.33 M

3.

How many moles of solute are present in 50.0 mL of 0.20M KNO3?

a)

10.0 moles solute

b)

0.05 moles solute

c)

1.00 moles solute

d)

0.01 moles solute

4.
I am titrating 1M HCl with 1M NaOH.  I have 25mL of HCl. How much NaOH will I need?
a)
2.5mL
b)
5mL
c)
25mL
d)
50mL
5.
I have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?
a)
0.8 M
b)
1 M
c)
1.25 M
d)

NONE OF THESE

6.

What is an equivalence point?

a)

It is the point when enough analyte has been added.

b)

It is the point when the amount of added titrant is equal to the amount of analyte in the solution.

c)

It is the point when the volume of titrant is equivalent the volume of analyte.

d)

It is the point when the concentration of titrant added is equivalent to the volume of analyte.

7.

A 10.00 mL sample of H2SO4 was neutralized by 13.5 mL of 1.00 M KOH by the following reaction: H2SO4 +  2KOH    K2SO4  +  2H2OH_2SO_4\ +\ \ 2KOH\ \ \rightarrow\ \ K_2SO_4\ \ +\ \ 2H_2O  
What is the molarity of H2SO4?

a)

0.675 M

b)

0.910 M

c)

1.05 M

d)

1.20 M

8.

How many mL of 1.00 M H2SO4 is needed to neutralize 21.5 mL of 1.50 M KOH?

H2SO4 + 2KOH → K2SO4 + 2H2O

a)

16.1 mL

b)

1.10 mL

c)

5.65 mL

d)

0.900 mL

9.

A 10.00 mL sample of H2SO4 was neutralized by 13.5 mL of 1.00 M KOH. What is the concentration of H2SO4?

H2SO4 + 2KOH → K2SO4 + 2H2O

a)

0.675 M

b)

1.10 M

c)

3.44 M

d)

0.910 M

10.

What is the molarity of a solution of barium hydroxide, if 35 ml if 0.1 M HCl is used in the titration of 25 ml of barium hydroxide solution?

a)

0.28

b)

0.21

c)

0.14

d)

0.07

e)

none of these

11.

A titration involves the chemical reaction between an analyte solution and the

a)

titrant

b)

titrator

c)

standard

d)

all of the above

12.
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