level: Reacting masses, and chemical formula
Questions and Answers List
level questions: Reacting masses, and chemical formula
| Question | Answer |
|---|---|
| What is relative atomic mass? | It is the average mass of its naturally- occurring isotopes, relative to the mass of a carbon - 12 atom |
| What is relative molecular mass? | The mass of a molecule found by adding the relative atomic masses of atoms in molecule |
| What is the formula used to calculate percentage purity? | Mass of pure substance divided by total mass multiplied by 100 |