Solubility and Solubility Curves

How many grams of K₂Cr₂O₇, are soluble in 50 g of water at 90ºC?

• 70 grams

• 35 grams

• 140 grams

• 105 grams

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

The three factors that affect the rate of solution are

• Increase the size of the particle

• Temperature

• Stirring/mixing

• Increase surface area

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

Tags

NGSS.MS-PS1-4

The ability of solute to be dissolved in a solvent.

• Supersaturated

• Unsaturated

• Solubility

• Saturated

A solution that contains more than the maximum amount of solute that is capable of being dissolved at a given temperature.

• Supersaturated

• Unsaturated

• Solubility

• Saturated

when you __________ a solution, you make it less concentrated, usually by adding more liquid

• concentrate

• dilute

• stir

• mix

If the solution contains the maximum amount it can dissolve by a given amount of solvent, it is ___________

• Supersaturated

• Unsaturated

• Solubility

• Saturated

Type of solution containing less amount of solute in a given amount of solvent leaving no traces of it.

• Supersaturated

• Unsaturated

• Solubility

• Saturated

Solutions with a lot of solid dissolved in a volume of water are more:

• concentrated

• dilute

• dissolved

• soluble

What substance is often called the "Universal solvent"?

• Water

• Ethanol

• Salt

• Blood