3 Written questions
2 Multiple choice questions
- A compound that has a specific number of water molecules bound to its atoms.
- The number 6.022 1367 × 10^23, which is the number of representative particles in a mole, and can be rounded to three significant digits: 6.02 × 10^23.
2 True/False questions
molecular formula → A formula that shows the smallest whole-number mole ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
molar mass → The SI base unit used to measure the amount of a substance, abbreviated mol; one mole is the amount of a pure substance that contains 6.02 × 10^23 representative particles.