Chem 2 - Reaction rates, Salts and Electrolysis - Measuring Rates of Reaction

Revision cards for Measuring Rates of Reactionm, hope this helps! :]

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Measuring rates of Reaction

To calculate the rate of reaction, use this equation:

Rate of reaction = Amount of reactant used or amount of product formed/time

There are different ways of measuring the rate of reaction:

- Precipitation: This is when they solution clouds over. You can measure it by placing the solution over a mark and see how long it takes before you can't see it anymore. This does only work when you have a transparent solution to begin with.

- Change in Mass: Pretty easy. Just way the solution as the reaction is taking place, and see how much the mass changes by. (Mass changes as most reactions give off a gas that will escape into the air)

- Measure volume of gas given off: Here you just need to attach the flask you are doing the reaction in, to a gas syringe to measure the amount of gas given off.

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