Middle School Physical Science Quiz
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MATTER AND ITS INTERACTIONS
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A student seals a zip-top bag (closed system) containing 30.0 g of vinegar and 3.0 g of baking soda in a small cup inside the bag. The total mass of the sealed bag and everything in it is 210.6 g before mixing. After mixing, the bag inflates with gas, and the total mass is 210.6 g (±0.1 g). Which claim is best supported by the data?
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