Solutions

How many grams of ammonium chloride are needed to make a saturated solution at 80^o C?

• 50 grams
• 80 grams
• 65 grams
• 75 grams

At 40^oC which salt is least soluble?

• KClO₃
• NaCl
• KI
• KNO₃

What kind of solution is made from 50 grams of KNO₃ at 40^oC?

• saturated
• unsaturated
• supersaturated

Which of the following does not increase the rate of dissolving a solid in a liquid?

• stirring the solution
• crushing up the solute
• raising the temperature of the water
• lowering the temperature of the water

A ______ is the substance being dissolved in a solution.

• solvent
• insolvent
• substrate
• solute

This graph represents a(n) ___ solution

• saturated
• supersaturated
• unsaturated
• undefined

A solution of potassium chlorate, KClO₃, has 20 grams of the salt dissolved in 100 grams of water at 70 ºC. Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?

• 10 grams
• 30 grams
• 80 grams
• 60 grams 

If you add more sugar to tea that is already saturated (without changing the temperature):

• some of the sugar will dissolve
• the sugar will fall out of the solution
• all of the sugar will dissolve

Tags

NGSS.MS-PS1-2

Convert 3000 mL into L.

• 3000 L
• 300 L
• 30 L
• 3 L

When salt is dissovled in water the salt is the __________. 

• solvent
• solute
• alloy
• mixture