Determine whether Al(OH)₃ is soluble using Table F

• Soluble

• Insoluble

Determine whether Na₂SO₄ is soluble or insoluble using Table F

• Soluble

• Insoluble

In a gas to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

Which substance is most soluble at 40 degrees Celsius?

• KCl

• KNO₃

• NaCl

• NH₃

How many moles of HNO₃ are needed to prepare 5L of a 2M solution? 

• 10 mol
• 2.5 mol
• 0.4 mol 
• 100 mol 

Tags

NGSS.HS-PS1-7

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

Based on Reference Table G, what is the maximum number of grams of KCl(s) that will dissolve in 200 grams of water at 50°C to produce a saturated solution?

• 38 g

• 42 g

• 58 g

• 84 g

What is the total number of moles of solute in 250 milliliters of a 1.0 M solution of NaCl?

• 1.0 mole

• 0.25 mole

• 0.50 mole

• 42 moles

A saturated solution of NaNO3 is prepared at 60.ºC using 100. grams of water. As this solution is cooled to 10.ºC, NaNO3 precipitates (settles) out of the solution. The resulting solution is saturated. Approximately how many grams of NaNO₃ settled out of the original solution?

• 46 g

• 61 g

• 85 g

• 126 g

Tags

NGSS.HS-PS1-5

Which of the following is NOT a solution?

• the air you breathe

• carbonated soda

• nail polish mixed with acetone

• milk