Molarity and Solubility

​Properties of Solutions - Solubility, Molarity, and Dilutions

Multiple Choice

Define the term insoluble.

• Can dissolve in water.

• Cannot dissolve in water.

• Partially dissolves in water.

Multiple Choice

State whether the following compound is soluble or insoluble. potassium bromide KBr

• Soluble

• Insoluble

Multiple Choice

State whether the following compound is soluble or insoluble.  calcium carbonate CaCO₃ 

• soluble

• insoluble

Multiple Choice

What of these is always soluble?

• Nitrates

• Phosphates

• Carbonates

• Hydroxides

Multiple Choice

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

Multiple Choice

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

• 83 grams

• 75 grams

• 40 grams

• 12 grams

Multiple Choice

A solution of hydrogen chloride (HCl) has 30 grams dissolved in 100 g of water at 60°C. Is this solution saturated, unsaturated or supersaturated?

• saturated

• unsaturated

• supersaturated

Multiple Choice

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

• concentration.

• density.

• dilution.

• solubility.

Multiple Choice

What will allow more solute to be dissolved in a solvent.

• adding more solute

• stiring

• cooling solution

• heat

Multiple Choice

A saturated solution is______

• No more solute can be dissolved

• More solute can be dissolved

• The solvent and solution

Multiple Choice

Molarity is ...

• grams of solute/deciliters of solvent.

• grams of solute/liters of solution.

• moles of solute/liters of solution.

• moles of solute/milliliters of solvent.

Multiple Choice

What two variables are used to calculate Molarity?

• moles and liters

• moles and milliliters

• grams and liters

• grams and milliliters

Multiple Choice

What are the units for Molarity?

• n

• m

• M

• N

Multiple Choice

As we dilute a solution.....

• The volume increases and the molarity (M) increases

• The volume increases and the molarity (M) decreases

• The volume decreases and the molarity (M) increases

• The volume decreases and the molarity (M) decreases

Multiple Choice

50 ml of a 1 M solution is diluted until the final volume is 80ml. How much water was added?

• 50 ml

• 1.3 ml

• 30 ml

• 130 ml