Question

Baking soda mixed with vinegar produces carbon dioxide and water. The best way to prove that no mass was lost during this reaction is to
O A use equal masses of baking soda and vinegar
O B. determine the mass of the carbon dioxide and water that is produced
OC. determine the masses of all the substances before and after the reaction
OD. compare the mass of the vinegar and water to be certain they are equal

Answer 1

Given what we know, we can confirm that the best way to prove that no mass was lost during the reaction would be to follow option C and determine the masses of all substances before and after the reaction.

Why is this the best method?

This method provides two sets of data in order to draw a comparison. The other option will either not produce comparable data, or do not take into account all of the elements being produced.

Therefore, by comparing the mass of baking soda and vinegar before the reaction to the mass of carbon dioxide and water after the reaction, we can analyze the differences if any, and confirm that no mass was lost during the reaction.

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