Table G Regents Chemistry

Which of the following is a saturated solution? (Assume all are dissolved in 100 mL of water)

• 20 grams of NaNO₃ at 50^∘C

• 52 grams of NH₄Cl at 50^∘C

• 12 grams of KClO₃ at 40^∘C

• 100 grams of KI at 20^∘C

If a saturated solution of NaNO₃ at 50°C is cooled to 20°C, how much solute will precipitate?

• 28 g

• 35 g

• 116 g

• 116 g

How would you classify the a solution that has 30 grams of NaCl dissolved in 100 mL of water at 30°C?

• unsatured

• saturated

• supersaturated

Which solute is the least soluble at 60°C?

• KClO₃

• NaCl

• KCl

• NH₃

According to Table G, which of the following includes solutes in the gas phase?

• KI, NaNO₃, KNO₃

• SO₂, NH₃, HCl

• NH4Cl, NaCl, KCl

• HCl, KCl, NaCl

What amount of KCl could dissolve in 200 mL of water at 45°C?

• 20 g

• 40 g

• 60 g

• 80 g