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Quantitative Chemistry (Conservation of Mass and Balanced equations (In a…
Quantitative Chemistry
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Mass Changes
If a reactant or product is gas, its mass is often not included in calculations.
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There are 2 possibilities:
- A gaseous product escapes
- Gasses enter the system and therefore increase the mass of the products made
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E.g. after heating 6.2g of copper carbonate the product copper oxide has a mass of 4g therefore 2.2g of gas was produced during the reaction.
