1) Using Figure 1, determine: a. the number of grams of KNO, which will dissolve in 100 g of H₂O at 100°C b. the number of grams of water which are required to dissolve 25 g of KNO, at 100°C c. the number of grams of water which are required to dissolve 2.0g of CuSO,5 H₂O at 100°C d. the number of grams of water which are required to dissolve a mixture of 25 g of KNO, and 2.0g of CuSO45 H₂O at 100°C 2) Take the solution to problem 1d, add 10 mL of deionized water, and cool the solution to 0°C. a. How much KNO, remains in solution? b. How much KNO, crystallizes out? c. How much CuSO,5 H₂O crystallizes out? d. What percentage of KNO, is recovered from the original 25 grams?

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1) Using Figure 1, determine:
a. the number of grams of KNO, which will dissolve in 100 g of H₂O at 100°C
b. the number of grams of water which are required to dissolve 25 g of KNO, at 100°C
c. the number of grams of water which are required to dissolve 2.0g of CuSO,5 H₂O
at 100°C
d. the number of grams of water which are required to dissolve a mixture of 25 g of
KNO, and 2.0g of CuSO45 H₂O at 100°C
2) Take the solution to problem 1d, add 10 mL of deionized water, and cool the solution to 0°C.
a. How much KNO, remains in solution?
b. How much KNO, crystallizes out?
c. How much CuSO,5 H₂O crystallizes out?
d. What percentage of KNO, is recovered from the original 25 grams?
Transcribed Image Text:1) Using Figure 1, determine: a. the number of grams of KNO, which will dissolve in 100 g of H₂O at 100°C b. the number of grams of water which are required to dissolve 25 g of KNO, at 100°C c. the number of grams of water which are required to dissolve 2.0g of CuSO,5 H₂O at 100°C d. the number of grams of water which are required to dissolve a mixture of 25 g of KNO, and 2.0g of CuSO45 H₂O at 100°C 2) Take the solution to problem 1d, add 10 mL of deionized water, and cool the solution to 0°C. a. How much KNO, remains in solution? b. How much KNO, crystallizes out? c. How much CuSO,5 H₂O crystallizes out? d. What percentage of KNO, is recovered from the original 25 grams?
ofh too menees us faranos
240+
200+
160+
120-
KND
CuSO, SH,0
10 20 30 40 50 60 70 80 90 100
Temperature in "C
Figure 1: Solubility as a function of temperature for KNO3 and CuSO4'5 H₂O
Transcribed Image Text:ofh too menees us faranos 240+ 200+ 160+ 120- KND CuSO, SH,0 10 20 30 40 50 60 70 80 90 100 Temperature in "C Figure 1: Solubility as a function of temperature for KNO3 and CuSO4'5 H₂O
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