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What is possible reason for trial b not obeying the law of conservation of mass

User Chadgh
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2 Answers

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The answer is D.)The balloon-like device was not used in this trial.

User Chris Wolf
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Answer:

D: The balloon-like device was not used in this trial

Explanation: The balloon-like device was not used in this trial. Therefore, some CO2 gas escaped and was not measured.

User Puradox
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