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Chemistry, 12.10.2020 19:01 vandarughb2875

At the start of the coal combustion experiment, the combined mass of the coal and oxygen reactants was 100 grams. At the end of the coal combustion experiment, the mass of the sample was 100 grams. Why does the scale showing the mass at the end of the reaction give a mass of 100 grams, when there is only a small amount of solid particles remaining on the scale?

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