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Scientific Methods Answers

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What happens to the total mass of the chemicals involved in the reaction as the reaction proceeds?

A
The mass decreases. After the reaction, the solution and gas have less mass than the baking soda and vinegar.
B
The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar.
C
The mass is the same. After the reaction, the solution and gas have the same mass as the baking soda and vinegar.

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