Solubility factors and curve

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

• 60^oC

• 30^oC

• 50^oC

• 83^oC

Tags

NGSS.MS-PS1-2

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

• 83 grams

• 75 grams

• 40 grams

• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which substance is MOST soluble at 0^oC?

• KI

• NaNO₃

• NaCl

• Ce₂(SO₄)₃

Tags

NGSS.MS-PS1-2

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

• supersaturated

• saturated

• unsaturated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

When 42 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50^oC, the solution can be correctly described as:

• supersaturated

• saturated

• unsaturated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What temperature does the solubility of NaCl match KNO₃?

• 50^oC

• 40^oC

• 35^oC

• 25^oC

Tags

NGSS.MS-PS1-4

Which solute does not increase in solubility as the temperature increase?

• NaCl

• SO₂

• KClO₃

• KNO₃

Tags

NGSS.MS-PS1-4

At what temperature can you fully dissolve 140g of NaNO3?

• 62

• 73

• 81

• You cannot determine this

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

It is the medium in which matter is dissolved.

• Solubility

• Solution

• Solvent

• Solute

These are a type of homogenous mixture where two or more substances are present. It can be a solid, liquid, or gas.

• Solution

• Solubility

• Solvent

• Solute