Solutions

Front

You place electrodes in a solution and this happens! This solution must be: electrolyte & ionic bond, electrolyte & covalent bond, nonelectrolyte & ionic bond, nonelectrolyte & covalent bond

Back

electrolyte & ionic bond

Front

At 40 ^oC and 50 g/l the solution of KCl would be: saturated, supersaturated, unsaturated

Back

supersaturated

Front

At 40 ^oC and 50 g/l, the solution of KCl in 200 g of water would be: saturated, supersaturated, unsaturated

Back

unsaturated

Front

If the saturated solution of K₂Cr₂O₇ was cooled from 80 to 60 ^oC, how much solute would fall out? Options: 20 g, 40 g, 15 g , 30 g

Back

20 g

Front

At 60^oC, a 50 g/l solution of KNO₃ would be:

Back

Unsaturated

Front

A way to increase the amount of sugar dissolved in tea is to: crush and cool, crush and leave alone, crush and heat.

Back

crush and heat

Front

For a gas, solubility will increase if _____ increases.

Back

Pressure

Front

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

Back

the sugar will fall out of the solution

Front

How many L of a 14 M stock solution must be used to make 250 mL of a 1.75 M solution? M1V1=M2V2

Back

0.031 L

Front

Which of the following bonds are soluble in water? Options: polar & nonpolar covalent, polar covalent & ionic, nonpolar covalent & ionic, Only ionic

Back

polar covalent & ionic