solubility

What does "LIKE DISSOLVES LIKE" mean?

• polar with polar

• polar with non-polar

• non-polar with non-polar

• non-polar with water

Why does oil not dissolve in water?

• Oil is non-polar and water is polar

• Oil is more dense than water

• Oil is polar and water is non-polar

Symbols in parenthesis after a formula can be used to identify solubility rules. 2KI(aq)    +   Pb(NO3)2(aq)  ->   2KNO3(aq)   +   PbI(s)

what does (s) stand for?

• aqueous

• gas

• liquid

• solid

Symbols in parenthesis after a formula can be used to identify solubility rules. 2KI(aq)    +   Pb(NO3)2(aq)  ->   2KNO3(aq)   +   PbI(s)

what does (aq) stand for?

• aqueous

• solid

• liquid

• gas

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• unsaturated
• saturated

At 10 Degrees Celsius and 5 grams KCLO3 is . . .

• Saturated

• Supersaturated

• Unsaturated

What 3 factors affect the dissolving rate?

• liquid

• temperature

• surface area

• agitation

How many grams of CaCl₂, are soluble in 100 g of water at approximately 17 ºC?

• 58 grams

• 70 grams

• 0 grams

• 12 grams

define the term insoluable

• a solute that does not dissolve well

• a solute that dissolves well

• a solution

At 10 Degrees Celsius and 90 grams NaNO3 is . . .

• Saturated

• Supersaturated

• Unsaturated