level: Mole concept and law of conservation of mass
Questions and Answers List
level questions: Mole concept and law of conservation of mass
| Question | Answer |
|---|---|
| State Avogadro's number | 6.02 × 1023 |
| Define molar mass | The sum of the total mass in grams of the atoms present to make up a molecule per mole |
| Define a mole | The amount of substance containing the same number of molecules as there are atoms in exactly 12 g of 12C. |
| Define relative atomic mass | The weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12 |
| Define empirical formula | Chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule |
| Define molecular formula | Chemical formula that gives the total number of atoms of each element in each molecule of a substance |