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WorksheetsSolubility Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A molecule with an unequal sharing of electrons is a:
a)
nonpolar molecule
b)
polar molecule
c)
nuclear molecule
d)
metallic molecule
2.
ppm stands for:
a)
percent per million
b)
parts per million
c)
percent per millimeter
d)
parts permillimeter
3.
You are given 1000 mL of a 20% sugar solution. This solution contains:
a)
20 grams of sugar and 100 mL of water
b)
200 grams of sugar and 1000 mL of water
c)
400 grams of sugar and 1000 mL of water
d)
600 grams of sugar and 100 mL of water
4.
Water can dissolve ionic compounds. Which statement best describes how this happened?
a)
ionic compounds fit in between water molecules
b)
polar water molecules attract the ions in the ionic compounds
c)
nonpolar bonds are made between water and ionic compounds
d)
water is nonpolar while ionic compounds have charges
5.
Generally, for gases dissolving in liquids, how does an increase in temperature affect the solubility of the gas?
a)
decreases solubility
b)
increases solubility
c)
has no effect
6.
All of the following can affect solubility EXCEPT:
a)
amount of solvent
b)
amount of solute
c)
particle size
d)
beaker size
7.
On a solubility graph, the solubility of ionic solids are known to _________ with an increase in temperature.
a)
increase
b)
decrease
c)
remain the same
8.
All of the following can affect solubility EXCEPT:
a)
temperature
b)
agitation (stirring)
c)
pH
d)
stirring rod material
9.
Based on the graph shown, which compound is a gas?
a)
NaNO3
b)
KNO3
c)
KClO3
d)
Ce2(SO4)3
10.
Based on the graph shown, how much KClO3 will dissolve in 100 g of water at 70oC?
a)
10 g
b)
20 g
c)
30 g
d)
40 g
11.
Based on the graph shown, how much CaCl2 will dissolve in 100 g of water at 20oC?
a)
10 g
b)
40 g
c)
63 g
d)
76 g
12.
Based on the graph shown, at what temperature will the same amount of KCl and K2Cr2O7?
a)
20o C
b)
47o C
c)
72o C
d)
they will never intersect, or we can't see it
13.
The ionic solid that's solubility is least affected by temperature is:
a)
NaNO3
b)
KNO3
c)
KCl
d)
NaCl
14.
Based on the graph shown, how much K2Cr2O7 will dissolve in 500 g of water at 50oC?
a)
50 g
b)
95 g
c)
150 g
d)
300 g
15.
Based on the graph shown, how much KCl will dissolve in 50 g of water at 60oC?
a)
15 g
b)
23 g
c)
31 g
d)
40 g
16.
Based on the graph shown, at what temperature will the same amount of KCl and NaNO3 dissolve?
a)
10oC
b)
25oC
c)
75oC
d)
they will never intersect, or we can't see it
17.
Ammonium and phosphorous would combine to form:
a)
(NH4)3P2
b)
(NH4)3P
c)
(NH4)3(PO4)3
d)
NH4(PO4)3
18.
Zinc and cyanide would combine to form:
a)
Zn2CN
b)
ZnCN2
c)
Zn(CN)2
d)
ZnCN
19.
The chemical compound for sodium phosphate would be:
a)
NaPO4
b)
Na3PO4
c)
Na2PO4
d)
Na(PO4)3
20.
What's the name of the compound KNO3 ?
a)
potassium nitride
b)
potassium nitrite
c)
potassium nitrate
d)
potassium nitrogen
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