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For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40 °C. One significant figure is sufficient in each answer. Pb(NO3)2 KCI: K₂Cr₂O7: g Solubility (g/L) 800 700- 600- 500 400 300 200 100 0 K₂Cr₂O, KCI 10 20 30 40 50 60 70 80 90 100 Temperature (°C)

For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40 °C. One significant figure is sufficient in each answer. Pb(NO3)2 KCI: K₂Cr₂O7: g Solubility (g/L) 800 700- 600- 500 400 300 200 100 0 K₂Cr₂O, KCI 10 20 30 40 50 60 70 80 90 100 Temperature (°C)

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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The solubilities of three salts in water are shown in the graph.
 
For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40 ∘C.40⁢ ∘C. One significant figure is sufficient in each answer.
The solubilities of three salts in water are shown in the graph: For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40°C. One significant figure is sufficient in each answer. **Pb(NO₃)₂:** ____ g **KCl:** ____ g **K₂Cr₂O₇:** ____ g **Graph Explanation:** The graph plots temperature (°C) on the x-axis against solubility (g/L) on the y-axis. It contains curves for three different salts: - **Pb(NO₃)₂ (Lead Nitrate)**: Represented by a blue curve, increasing steadily with temperature. At 40°C, its solubility is approximately 400 g/L. - **KCl (Potassium Chloride)**: Represented by a light blue curve, also increasing with temperature. At 40°C, its solubility is about 350 g/L. - **K₂Cr₂O₇ (Potassium Dichromate)**: Represented by a red curve, showing a more rapid increase. At 40°C, its solubility is around 120 g/L. These values can be used to calculate how much of each salt will remain undissolved when mixed as per the conditions specified.
Transcribed Image Text:The solubilities of three salts in water are shown in the graph: For each salt, determine how much will remain undissolved if 500 g is mixed into a liter of pure water at 40°C. One significant figure is sufficient in each answer. **Pb(NO₃)₂:** ____ g **KCl:** ____ g **K₂Cr₂O₇:** ____ g **Graph Explanation:** The graph plots temperature (°C) on the x-axis against solubility (g/L) on the y-axis. It contains curves for three different salts: - **Pb(NO₃)₂ (Lead Nitrate)**: Represented by a blue curve, increasing steadily with temperature. At 40°C, its solubility is approximately 400 g/L. - **KCl (Potassium Chloride)**: Represented by a light blue curve, also increasing with temperature. At 40°C, its solubility is about 350 g/L. - **K₂Cr₂O₇ (Potassium Dichromate)**: Represented by a red curve, showing a more rapid increase. At 40°C, its solubility is around 120 g/L. These values can be used to calculate how much of each salt will remain undissolved when mixed as per the conditions specified.
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