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| Question | Answer |
| How to work out percentage yield | Percentage yield=actual yield/theoretical yield x100 |
| How to find the number of moles in a given mass | Number of moles= mass in g/relative formula mass |
| How to work out volume | Volume(dm3)= moles of gas x 24 or Mass of gas/relative formula mass x 24 |
| How to work out concentration | Concentration= number of moles / volume |
| How to work out rate of reaction | Amount of reactant used or amount of product formed / time |
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