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Trial 1 - open Trial 2 - closed system system Mass of container (g) 202 grams Mass of container + baking soda (g) 215 grams Calculated Mass of baking...
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Question

Trial 1 and trial 2 had the same chemical reaction. What did we do in trial 2 to prove that the Law of Conservation of Mass still applies to the baking soda/vinegar reaction from trial 1?

(This was part of a Lab I did)

Trial 1 - open Trial 2 - closed
system system Mass of container (g) 202 grams
Mass of container + baking soda (g) 215 grams Calculated Mass of baking soda (g) 215 - 202 = 13 grams 18 - 3 = 15 grams Calculated Mass of vinegar and baking soda 9 + 13 = 22 grams 9 + 15 = 24 grams
(reactants) Mass of container + product (g) 202 + 22 = 224 3 + 24 = 27 grams Calculated Mass gained or lost (g) 224 - 223 = 1 gram 0 nothing was lost or
gained Record qualitative data Bubbles were Bubbles were forming ex: color change, bubbles, gas produced, etc forming. also again.

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Subject: Chemistry, Science

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