Reading solubility curves

Which compound is least affected by a change in temperature?

• Potassium Chloride, KCl

• Sodium Chloride, NaCl

• Ammonium Chloride, NH₄Cl

• Potassium Nitrate, KNO₃

Tags

NGSS.HS-PS1-5

At which temperature do Sodium Chloride, NaCl, and Potassium Nitrate, KNO₃, have the same solubility?

• 37^oC

• 24^oC

• 20^oC

• 80^oC

Tags

NGSS.HS-PS1-5

If a saturated solution of NaNO₃ in 100 g of water at 60^oC cooled to 10^oC, approximately how many grams of the solute will precipitate out of solution?

• 125 g

• 80 g

• 45 g

• 205 g

Tags

NGSS.HS-PS1-5

Determine the type of solution present when 140 grams of Sodium Nitrate, NaNO₃, are dissolved in 100 g of water at 60°C

• Supersaturated

• Saturated

• Unsaturated

Tags

NGSS.HS-PS1-5

Determine the type of solution present when 60 grams of Ammonia, NH₃, are dissolved in 100 g of water at 10°C

• Supersaturated

• Saturated

• Unsaturated

Tags

NGSS.HS-PS1-5

Determine the type of solution present when 70 grams of Ammonium Chloride, NH₄Cl, are dissolved in 100 g of water at 90°C

• Supersaturated

• Saturated

• Unsaturated

Tags

NGSS.HS-PS1-5

Determine the type of solution present when 100 grams of Potassium Iodide, KI, are dissolved in 100 g of water at 20°C

• Supersaturated

• Saturated

• Unsaturated

Tags

NGSS.HS-ESS2-5

How many more grams of solute can be dissolved into a solution of Potassium Nitrate, KNO₃, that contains 90 grams in 100 g of water at 70°C?

• 40 g

• Unable to determine based off of the graph

• 0 g, the solution is already saturated

• 4 g

Which compound is a gas?

• Ammonia, NH₃

• Sodium Nitrate, NaNO₃

• Sodium Chloride, NaCl

• Potassium Chloride, KCl

Which compound is most affected by a change in temperature?

• Potassium Chloride, KCl

• Sodium Chloride, NaCl

• Ammonium Chloride, NH₄Cl

• Potassium Nitrate, KNO₃

Tags

NGSS.HS-PS1-5