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It turned into a gas I think but the mass stayed the same

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I noticed that even though the liquid underwent a chemical the reactions, the number of atoms did not change, so it retained the same mass.

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the weight did not change from before and after the chemical after

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the weight did not change from before and after the chemical after

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I noticed that the weight was the same.

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I noticed that the weight of the components did not change

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I noticed that when they mixed the two substances that the mass stayed the same throughout the simulation. I also noticed that a chemical reaction occurred because it had a different identity.

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I noticed that the weights were the same before and after it had the chemical reaction.

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I noticed it was a chemical reaction because when the person mixed them it fizzed up.

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I noticed that it turned from a liquid to a gas but the mass didn't change.

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I noticed that it weighed before and after the mixture.

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I noticed when the chemical mixture occured it was originally a liquid. After 10 minutes they mixed from a liquid into a gas. The Mass stayed the same.

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From the lab I noticed that when the mixture were combined it occured a chemical change. Which was a liquid before it changed. Also when it was left for 10 minutes the mass was still the same when the liquid was still inside.

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I noticed the weight stayed the same.

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I notice that they mixed sodium sulphate and barium sodium

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The weight stayed the same before and after the chemical reaction.

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I noticed that the weight of the components did not change when mixed together.

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I noticed that when you mixed the two solutions it's mass stayed the same.