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Physics 9 Online
OpenStudy (simplymarie_x):

WILL MEDAL AND FAN!! 3. Show your work on how you would calculate the % yield of hydrogen if 40.0 grams of magnesium react with an excess of nitric acid producing 1.70 grams of hydrogen gas. Mg + 2 HNO3 ---> Mg(NO3)2 + H2. 4. Predict the products in the reaction between magnesium and hydrochloric acid. If you were conducting this reaction in the lab, what would be your clue that this was a chemical reaction? If silver replaced magnesium as one of the reactants, what would you expect to happen?

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