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DPC1033 CHAPTER 5 SOLUTION

Total questions: 21

Worksheet time: 5hrs 15mins

Name
Class
Date
1.
reaction of an acid and a base
a)
indicator
b)
neutralization reaction
c)
solution
d)
solvent
2.
substance that dissolves
a)
solvent
b)
solution
c)
solute
d)
unsaturated
3.
substance that dissolves the solute
a)
solution
b)
solvent
c)
saturation
4.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 
a)
2
b)
3
c)
4
d)
6 
5.
What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.0011 M
c)
1.052 M
d)
0.062 M
6.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
7.
Find the molarity of 186.55 g of sucrose, C12H22O11 (MM = 342) in 250 mL of water.
a)
2.18 M
b)
0.746 M
c)
1.18 M
d)
0.545 M
8.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
9.
True or False? The higher the concentration of a solution the less solutes it has in it.
a)
True
b)
False
10.
The ___ is the thing being dissolved
a)
solute
b)
solvent
11.
Molarity is measured in
a)
moles per kg
b)
mols per L
c)
moles per kJ
d)
moles per mL
12.

What is the molality of a solution when 48 g of NaCl is dissolved in 5 kg of water?

a)

557 m

b)

4.14 m

c)

.17 m

d)

6.04 m

13.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
14.

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

15.

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

16.
A neutralization reaction will (almost) always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
17.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
18.

Diagram 1 shows the set-up of apparatus for the titration of potassium hydroxide solution with sulphuric acid.

What is the total volume of the mixture in the conical flask at the end point of the titration in Diagram 1if the concentration of sulphuric acid is 1.0 moldm-3 ?

a)

10 cm3

b)

20 cm3

c)

30 cm3

d)

40 cm3

19.

The equation shows the reaction between sulphuric acid and sodium hydroxide.


H2SO4 + 2NaOH ---------- Na2SO4 + 2H2O


What is the volume of 1.0 mol dm-3 sodium hydroxide solution which can neutralize 25.0 cm3 of 1.0 mol -3 sulphuric acid?

a)

12.5 cm3

b)

25.0 cm3

c)

50.0 cm3

d)

75.0 cm3

20.
What is the percent composition of a sugar solution where 10 grams of sugar is added to 100 grams of water?
a)
.10%
b)
0.091%
c)
9.090909%
d)
9.1%
21.
What mass of solute is needed to make 75.0 g of a 3.4% solution?
a)
2.55 g
b)
22 g
c)
0.05 g