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Chapter 10 Review
Molar Mass, % Composition, Empirical Formulas
| Question | Answer |
|---|---|
| 22.4 Liters | volume of 1 mole of a gas at STP |
| 6.02 x 10^23 | number of representative particles in 1 mole |
| 6.02 x 10^23 | Avogadro's Number |
| SI unit for amount of substance | mole |
| 1 of 3 common ways to measure the amount of substance | mass |
| Temperature at S.T.P. | 0 degrees Celsius |
| Pressure at S.T.P. | 1 atmosphere (atm) |
| Formula in the lowest whole number ratio of atoms in compound | Empirical |
| Formula telling what elements and how many are in compound (not lowest ratio) | Molecular |
| The sum of all the parts of a percent composition always equals.... | 100% |