4 Written Questions

1. ___ is the ratio between the moles of dissolved substance and the volume of solution in cubic decimeters
2. In ___, all numbers are expressed as the product of a number between 1 and 10 and a whole-number power of 10.
3. ___ are compounds that crystallize from a water solution with water molecules clinging to the particles.
4. The total mass of an element in a compound divided by the total mass of the compound and multiplied by 100 is the ___.

3 Multiple Choice Questions

1. The mass of one mole of molecules, atoms, ions, formula units is called the ___ that species.
   1. molar mass
   2. formula mass
   3. molecular mass
   4. molarity
2. The ___ is equal to 6.02 X 10^23.
   1. Avogadro constant
   2. molarity
   3. molar mass
   4. hydrates
3. ___ refers to the sum of the atomic masses of all the atoms in the formula unit of an ionic compound
   1. molarity
   2. molecular mass
   3. molar mass
   4. formula mass

3 True/False Question

1. molecular mass → The mass of one mole of molecules, atoms, ions, formula units is called the ___ that species.
   

   True        False

2. factor-label method → The method of problem solving in which unit labels are treated as factors that can be divided out to obtain a correct unit label is called the ___.
   

   True        False

3. mole → ___ is the ratio between the moles of dissolved substance and the volume of solution in cubic decimeters
   

   True        False