Solubility curve

Front

At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K₂Cr₂O₇?

Back

60 ºC

Front

How many grams of K₂Cr₂O₇ are soluble in 100 g of water at 95 ºC?

Back

75 grams

Front

Which substance is MOST soluble at 0 ºC? Options: KI, NaNO₃, NaCl, Ce₂(SO₄)₃

Back

NaNO₃

Front

Which solute is the most soluble at 10 ⁰C? Options: KI, KClO₃, NH₄Cl, NH₃

Back

KI

Front

Which solute is the least soluble at 90 ⁰C? Options: SO₂, KClO₃, KI, HCl

Back

SO₂

Front

Which solute does not increase in solubility as temperature rises? Options: NH₃, NaNO₃, KNO₃, NaCl

Back

NH₃

Front

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

Back

unsaturated

Front

When 20 grams of KNO₃ is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

Back

unsaturated

Front

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

Back

supersaturated

Front

When 42 grams of potassium chloride is dissolved in 100 grams of water at 50 ºC, how can the solution be described? Options: supersaturated, saturated, unsaturated

Back

saturated