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three different methods to separate components from a mixture.
- Fractional crystallization
- vacuum filtration
- solubility.
2. Use Figure 3. Dfor the following:
5 . 1
a. Determine the number of grams of KNO that will dissolve in 100 g H20 at(100.C)
g KNO3
b. How many grams of water are required to dissolve 24 g of KNO: at 100C? (Use
the answer for la as your conversion factor for g KNO: to g H20.)
g H20
c. How many grams of water are required to dissolve 2.0 g of CuSO4 A 5 H20 at
100 C?
g H20
d. How many grams of water are required at 100'C to dissolve a mixture of
24 g KNO3 and 2.0 g CuSO4A5H20? Assume that the solubility of one
substance is not affected by the other.
g H20
continued on the back
Appendix - 33

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