Unit 12 Solubility Curves Worksheets With Answer Keys Page 5
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6UNIT 12 - SOLUTIONS
7.)
___ CuCl
(aq) + ___ (NH
)
PO
(aq) --> ___ NH
Cl ( ) + ___ Cu
(PO
)
( )
2
4
3
4
4
3
4
2
net ionic eqn:
spectator ions:
8.)
___ Mg
(PO
)
(aq) + ___ Pb(NO
)
(aq) --> ___ Mg(NO
)
( ) + ___ Pb
(PO
)
( )
3
4
2
3
2
3
2
3
4
2
net ionic eqn:
spectator ions:
9.)
___ BaCl
(aq) + ___ Na
SO
(aq) --> ___ NaCl ( ) + ___ BaSO
( )
2
2
4
4
net ionic eqn:
spectator ions:
10.)
___ FeCl
(aq) + ___ KOH (aq) --> ___ Fe(OH)
( ) + ___ KCl ( )
3
3
net ionic eqn:
spectator ions:
11.)
___ Na
S (aq) + ___ AgNO
(aq) --> ___ Ag
S ( ) + ___ NaNO
( )
2
3
2
3
net ionic eqn:
spectator ions:
12.)
___ ZnBr
(aq) + ___ AgNO
(aq) --> ___ Zn(NO
)
( ) + ___ AgBr ( )
2
3
3
2
net ionic eqn:
spectator ions:
UNIT 12 REVIEW WORKSHEET
Part 1 – Solubility Curves - USE YOUR SOLUBILITY CURVE GRAPH TO ANSWER #1-4.
1. At what temperature does 135 grams of KI dissolved in 100 grams of water form a saturated
solution?
o
2. How many grams of KNO
will dissolve in 400 grams of water at 60
C?
3
o
3. If 10 grams of KClO
are dissolved in 100 grams of water at 30
C, is the solution saturated,
3
unsaturated, or supersaturated?
o
4. How many grams of solid precipitate will form if a saturated NaNO
solution is cooled from 80
C to
3
o
20
C?
Part 2 – Concentration of Solutions
5. How many grams of Fe(C
H
O
)
are needed to dissolve to make 350. mL of a 2.50 M solution?
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3
2
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6. What is the molarity of a solution made by diluting 17.3 mL of 12 M hydrochloric acid to 550. mL?
7. What is the molality of a solution made by adding 56.3 grams of Mg(NO
)
to 750. grams of water?
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2
5
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