6 Written Questions

1. the reaction of hydronium ions and hydroxide ions to form water molecules and salt
2. the concentration of solute in a solution
   the number of moles of solute in one liter of solution; the number of moles divided by the the volume; abbreviated M
3. a chemical detector for protons in acid-base titrations; tool for measuring pH; compounds whose colors are sensitive to pH
4. a solution in which a base has completely dissociated in water to yield aqueous OH- ions; a basic solution
5. the controlled addition and measurement of the amount of a solution of known concentration required to react completely with a measured amount of a solution of unknown concentration; the process of adding a known amount of solution of known concentration to determine the concentration of another solution
6. the point at which the two solutions used in a titration are present in chemically equivalent amounts; when the number of moles of hydrogen ions equals the number of moles of hydroxide ions

5 Multiple Choice Questions

1. a chemical compound that increases the concentration of H30+, in aqueous solution
   1. arrhenius base
   2. arrhenius acid
   3. concentration
   4. hydronium ion
2. a measurement of the amount of solute that is dissolved in a given quantity of solvent; usually expressed as mol/L
   1. titration
   2. neutralization
   3. concentration
   4. hydronium ion
3. the point in a titration at which an indicator changes color; the point of neutralization of a titration
   1. indicator
   2. titration
   3. alkaline
   4. end point
4. a solution that contains a precisely known concentration of a solute
   1. concentration
   2. standard solution
   3. neutralization
   4. titration
5. the negative of the common logarithm of the hydronium ion concentration of a solution; scale 0-14 of the acidity or alkalinity of a solution
   1. end point
   2. pH
   3. salt
   4. alkaline

5 True/False Questions

1. transition interval → the controlled addition and measurement of the amount of a solution of known concentration required to react completely with a measured amount of a solution of unknown concentration; the process of adding a known amount of solution of known concentration to determine the concentration of another solution

   True        False

2. salt → the negative of the common logarithm of the hydronium ion concentration of a solution; scale 0-14 of the acidity or alkalinity of a solution

   True        False

3. hydronium ion → H3O+ ion; water molecule with an extra hydrogen

   True        False

4. arrhenius base → a chemical compound that increases the concentration of H30+, in aqueous solution

   True        False

5. number of moles → a substance that increases the concentration of hydroxide ions, OH-, in aqueous solution

   True        False