Henry puts 2.0 of baking soda into 1.0 gram plastic bag. He then pouts 5.0 grams of vinegar into the bag and immediately closes it. A reaction takes place. Henry observes a gas being produced and the plastic bag with baking soda and vinegar becomes cold. What will be the total mass of the bag and it’s contents after the reaction?
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half of the mass before the reaction
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