Solubility Curve Key Use the solubility curve provided below to answer the following questions. Don't forget that 100 g of H,O = 100 mL of H,O! 100 90 오 80 NANO 70 60 CaCl * 50 Pb(NO,)2 KCI 40 NaCI 30 20 KCIO, 10 Ce,(SO O 10 20 30 40 50 60 70 80 90 100 Temperature (°C) How many grams of KCIO, can be dissolved in 100 g of water at 90°C? 58 g 1 How many grams of NANO, can be dissolved in 100 g of water at 10°C? 80 g 2 3 Which is more soluble at 10°C, KCI or KNO,? KNO, 3 If 85 g of Pb(NO), are added to 100 g of water at 40°C, will all of the solid dissolve? If not, how much excess will there be? 4. No 4 How many grams of KCIO, would you have to add to 100 grams of water at 50°C to make a saturated solution? 18 9 5 A student made a solution of sodium nitrate for his teacher by dissolving 100 g of NaNO, in 100 mL of water. The current temperature of the solution is 25°C. Is the student's solution 6. saturated, unsaturated, or supersaturated? saturate 6 If you were to make a saturated solution of K,Cr,O, at 60 °C, and 7 your solution cooled down to 20 °C, how many grams of K,Cr,O, would precipitate out of the solution? 38 g7 Solubility (g of salt in 100 g H,O) FONY K,CrO,
Solubility Curve Key Use the solubility curve provided below to answer the following questions. Don't forget that 100 g of H,O = 100 mL of H,O! 100 90 오 80 NANO 70 60 CaCl * 50 Pb(NO,)2 KCI 40 NaCI 30 20 KCIO, 10 Ce,(SO O 10 20 30 40 50 60 70 80 90 100 Temperature (°C) How many grams of KCIO, can be dissolved in 100 g of water at 90°C? 58 g 1 How many grams of NANO, can be dissolved in 100 g of water at 10°C? 80 g 2 3 Which is more soluble at 10°C, KCI or KNO,? KNO, 3 If 85 g of Pb(NO), are added to 100 g of water at 40°C, will all of the solid dissolve? If not, how much excess will there be? 4. No 4 How many grams of KCIO, would you have to add to 100 grams of water at 50°C to make a saturated solution? 18 9 5 A student made a solution of sodium nitrate for his teacher by dissolving 100 g of NaNO, in 100 mL of water. The current temperature of the solution is 25°C. Is the student's solution 6. saturated, unsaturated, or supersaturated? saturate 6 If you were to make a saturated solution of K,Cr,O, at 60 °C, and 7 your solution cooled down to 20 °C, how many grams of K,Cr,O, would precipitate out of the solution? 38 g7 Solubility (g of salt in 100 g H,O) FONY K,CrO,
Introductory Chemistry: An Active Learning Approach
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Chapter16: Solutions
Section: Chapter Questions
Problem 9E: What happens if you add a very small amount of solid salt (NaCl) to each beaker described below?...
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Question
Transcribed Image Text:Solubility Curve Key
Use the solubility curve provided below to answer the following questions.
Don't forget that 100 g of H,O = 100 mL of H,O!
100
90
NANO
80
70
60
CaCl
50
Pb(NO,)2
KC
40
NaCI
30
20
KCIO,
10
10 20 30 40 50 60 70 80 90 100
Temperature (°C)
How many grams of KCIO, can be dissolved in 100 g of water at
90°C?
58 g 1
How many grams of NaNO, can be dissolved in 100 9 of water at
2
10°C?
80 g2
3 Which is more soluble at 10°C, KCI or KNO,?
KNO, 3
4
If 85 9 of Pb(NO, are added to 100 g of water at 40°C, will all of
the solid dissolve? If not, how much excess will there be?
No
4
How many grams of KCIO, would you have to add to 100 grams of
water at 50°C to make a saturated solution?
18 9 5
A student made a solution of sodium nitrate for his teacher by
dissolving 100 g of NaNO, in 100 mL of water. The current
6.
temperature of the solution is 25°C. Is the student's solution
saturated, unsaturated, or supersaturated?
saturate 6
If you were to make a saturated solution of K,Cr,O, at 60 °C, and
7 your solution cooled down to 20 °C, how many grams of K,Cr,O,
would precipitate out of the solution?
38 g7
Solubility (g of salt in 100 g H,O)
K,Cr,O,
Transcribed Image Text:Is 80 g the correct answer for
Question #2? If the answer is
incorrect, justify why in the
show your work area.
100
Show Your Work
90
NaN
80
70
60
CaCl,
Pb(NO,)2
50
40
KCI
NaCI
30
20
KCIO,
10
10 20 30 40 50 60 70 80 90 100
Temperature (°C)
Yes
No
Solubility (g of salt in 100 g H,O)
KNO3
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