Solubility factors and curve

1.

Multiple Choice

2 mins

1 pt

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

2.

Multiple Choice

2 mins

1 pt

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

83 grams

75 grams

40 grams

12 grams

3.

Multiple Choice

2 mins

1 pt

Which substance is MOST soluble at 0^oC?

KI

NaNO₃

NaCl

Ce₂(SO₄)₃

4.

Multiple Choice

2 mins

1 pt

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

5.

Multiple Choice

2 mins

1 pt

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

6.

Multiple Choice

2 mins

1 pt

What temperature does the solubility of NaCl match KNO₃?

50^oC

40^oC

35^oC

25^oC

7.

Multiple Choice

1 min

1 pt

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

NaCl

SO₂

KClO₃

KNO₃

8.

Multiple Choice

2 mins

1 pt

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

62

73

81

You cannot determine this

9.

Multiple Choice

30 sec

1 pt

It is the medium in which matter is dissolved.

Solubility

Solution

Solvent

Solute

10.

Multiple Choice

30 sec

1 pt

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

11.

Multiple Choice

30 sec

1 pt

It is the matter that dissolves in solvent.

Solubility

Solution

Solvent

Solute

12.

Multiple Choice

30 sec

1 pt

It is the measurement of how easily a solute dissolves in a certain solvent.

Solubility

Solution

Concentration

Dilute

13.

Multiple Choice

30 sec

1 pt

You can make a solute dissolve more quickly in a solvent by

adding more solute

adding ice

heating the solvent

removing some solvent

14.

Multiple Choice

30 sec

1 pt

Which of the following would result in being able to dissolve a greater amount of solid in a solution?

Lower the temperature

Decrease the pressure of the solution

Heat the solution

15.

Multiple Choice

30 sec

1 pt

What combination would dissolve a solid solute the fastest?

High temperature, no stirring

No heat, no stirring

Sugar cube, no heat

High temperature, stirring

Explore this activity with a free account