AP Chemistry Chapter 12 Test Review

2.0 M

0.1 moles of CaBr2 is dissolved in enough water to make 100 ml of solution. What is the concentration of bromide ions in the resulting solution?

pressure to gas - liquid solubility

Henry's Law relates ______

0.0253 M

What is the molarity of a solution that contains 0.202 mol KCl in 7.98 L solution?

sodium chloride

Which of the following is an electrolyte: sodium chloride, sugar, water, or glass

increasing the temperature of the liquid

a gas and a liquid are in equilibrium inside a closed rigid container. Which of the following would result in a decrease in the solubility of the gas?

decreases

as temperature increases, solubility of gases in liquids __________

bromine

four different substances are dissolved in four different beakers, each containing 50.0 ml of benzene (a non polar solvent). Predict which of the following substances will dissolve to the greatest extent: water, bromine, hydrochloric acid, sodium hydroxide

polarity

in the expression like dissolves like, the word refers to similarity in molecular _______

hydrogen bonding

rubbing alcohol is a solution of isopropyl alcohol and water. What would be the most important type of intermolecular forces between the isopropyl alcohol and water in this solution?

ion-dipole

sodium chloride has a solubility of 36g/100ml of water at 25C. What is the major for of attraction between the dissolved ion and the water molecules?

ions

to conduct electricity, a solution must contain _______

1.14 m

what is the molality of a solution that contains 5.10 mol KNO3 in 4.47 kg of water?

hydrogen bonds and ionic bonds

what types of attractions must be broken when NaCl dissolves in water?

hydrogen chloride

which of the following is a molecular substance whose water solution conducts electricity: liquid hydrogen, hydrogen chloride, sugar, iron

sugar

which of the following is a non-electrolyte: sodium chloride, hydrogen chloride, sugar, potassium chloride

carbon tetrachloride

which of the following is an example of a non polar solvent: water, carbon tetrachloride, both, or neither

potassium nitrate

which of the following is soluble in water: potassium nitrate, benzene, silver, carbon tetrachloride