Unit 12 Solubility Curves Worksheets With Answer Keys Page 4
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6UNIT 12 - SOLUTIONS
4.) Calculate the freezing and boiling points of a solution of 21.6 grams of nickel (II) sulfate (NiSO
) in
4
100. grams of water.
5.) Calculate the freezing and boiling points of a solution of 77.0 grams of magnesium perchlorate,
Mg(ClO
)
, in 200. grams of water.
4
2
6.) Calculate the freezing and boiling points of 94.0 grams of sucrose (C
H
O
) dissolved in 300.
12
22
11
grams of ethanol.
Answers:
o
o
o
o
1.)
100.93
C = BP, -3.33
C = FP
4.)
-5.19
C = FP, 101.45
C = BP
o
o
o
2.) -65.63
C
5.)
-9.63
C = FP, 102.69
C = BP
o
o
o
3.)
100.52
C
6.)
-116.42
C = FP, 79.52
C = BP
NET IONIC EQUATIONS WORKSHEET
Determine the solubility of the products ((aq) or (s)). Then, write the net ionic equation. Also indicate the spectator ions for
each equation.
1.) ___ KCl (aq) + ___ AgNO
(aq) --> ___ AgCl ( ) + ___ KNO
( )
3
3
net ionic eqn:
spectator ions:
2.)
___ Zn(NO
)
(aq) + ___ (NH
)
S (aq) --> ___ NH
NO
( ) + ___ ZnS ( )
3
2
4
2
4
3
net ionic eqn:
spectator ions:
3.)
___ K
SO
(aq) + ___ Ba(NO
)
(aq) --> ___ BaSO
( ) + ___ KNO
( )
2
4
3
2
4
3
net ionic eqn:
spectator ions:
4.)
___ AgNO
(aq) + ___ NaI (aq) --> ___ AgI ( ) + ___ NaNO
( )
3
3
net ionic eqn:
spectator ions:
5.)
___ HgCl
(aq) + ___ K
S (aq) --> ___ KCl ( ) + ___ HgS ( )
2
2
net ionic eqn:
spectator ions:
6.)
___ Al(NO
)
(aq) + ___ Ba(OH)
(aq) --> ___ Ba(NO
)
( ) + ___ Al(OH)
( )
3
3
2
3
2
3
net ionic eqn:
spectator ions:
4
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