

1.

A solution made by
adding 10 grams of KClO_{3} to 100 grams of water at 20 ^{o}C. Is this solution
saturated, unsaturated, or supersaturated? a.  saturated  b.  unsaturated  c.  supersaturated       


2.

A solution made by
adding 85 grams of NaNO_{3} to 100 grams of water at 10 ^{o}C. Is this solution
saturated, unsaturated, or supersaturated? a.  saturated  b.  unsaturated  c.  supersaturated       


3.

A solution made by
adding 25 grams of NH_{4}Cl to 50 grams of water at 50 ^{o}C. Is this solution
saturated, unsaturated, or supersaturated? a.  saturated  b.  unsaturated  c.  supersaturated       


4.

At what
temperature will 70 grams of KNO_{3} dissolved in 100 grams of water form a saturated
solution? a.  11 ^{o}C  b.  86 ^{o}C  c.  136 ^{o}C  d.  43 ^{o}C         


5.

How many grams of
KCl will dissolve in 100 grams of water at 60 ^{o}C?


6.

How many grams of
Na_{2}SO_{4} can be dissolved in 100 grams of water at 20
^{o}C?


7.

At what
temperature will 50 grams of Na_{2}SO_{4} dissolved in 100 grams of water form a
saturated solution? a.  45 ^{o}C  b.  30 ^{o}C  c.  60 ^{o}C  d.  50 ^{o}C         


8.

How many grams of
solid precipitate will form if a saturated solution of KNO_{3} is cooled from 70
^{o}C to 30 ^{o}C?


9.

If 120 grams of KI
are dissolved in 100 grams of water at 20 ^{o}C, how many additional grams are
needed to saturate the solution? a.  143 g  b.  23
g  c.  120 g  d.  35
g         


10.

How many grams of
HCl can be dissolved in 200 grams of water at 60 ^{o}C? a.  55 g  b.  27.5
g  c.  200 g  d.  110
g         
