Solubility Curve Practice Problems Worksheet Template Page 3
ADVERTISEMENT
1
2
3
44. Use the graph to answer the following two questions:
________
Which compound is most soluble at 20 ºC?
________
Which is the least soluble at 40 ºC?
5. Which substance on the graph is least soluble at 10C? __________
6. A mass of 80 g of KNO
is dissolved in 100 g of water at 50 ºC. The solution is heated to 70ºC. How many more
3
See question
grams of potassium nitrate must be added to make the solution saturated? Explain your reasoning (
#2 on the other side for a hint)
7. Elements review: Fill in the chart below for some of the compounds on the graph:
Formula
# of atoms in formula
If the following amounts of solute are dissolved in 100 mL of
water: Is the solution SATURATED OR UNSATURATED
ºC
Example: NaCl Na =
3 grams dissolved at 0
Cl =
Formula
# of atoms in formula
If the following amounts of solute are dissolved in 100 mL of
water: Is the solution SATURATED OR UNSATURATED
ºC
120 grams dissolved at 0
KI
ºC
7.2 grams dissolved at 70
Ce(SO
)
4
3
ºC
11 grams dissolved at 46.7
NH
Cl
4
3
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education