Ch.21 & 22 Review: Solubility Curve

Using the solubility curve decide whether 50g of NaCl dissolved in 100 of water at 60°C is unsaturated, saturated or supersaturated.

• saturated

• unsaturated

• supersaturated

Using the solubility curve, decide whether 20g of KClO₃ dissovled in 100g of water at 50°C is saturated, unsaturated or supersaturated.

• saturated

• unsaturated

• supersaturated

Tags

NGSS.MS-PS3-4

You have 30g of NH₄Cl, how many more grams of NH₄Cl would have to be added to 100g of water at 45°C to have a saturated solution?

• 10g

• 20g

• 25g

• 15g

Decide whether 50g of KCl dissolved in 100g of water at 50°C is saturated, unsaturated or supersaturated.

• saturated

• supersaturated

• unsaturated

Suppose you have a saturated NaCl solution containing a certain amount of solute in 100g of water, which is then cooled from 100°C to 0°C, how much solid will come out of solution?

• 2g

• 10g

• 38g

• 15g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

If you add a crystal to a solution and it dissolves immediately, is this solution saturated, unsaturated or supersaturated?

• saturated

• unsaturated

• supersaturated

If you add a crystal to a solution and it sits at the bottom of the beaker and does not dissolve, is this solution saturated, unsaturated or supersaturated?

• saturated

• unsaturated

• supersaturated

If you add a crystal to a solution and the solution crystalizes is this solution saturated, unsaturated or supersaturated?

• saturated

• unsaturated

• supersaturated