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W2.2 HYDROCHLORIC ACID AND MAGNESIUM (2)
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Now watch the rest of the experiment and try to answer this question:

Why does the reaction get slower as the third and fourth pieces of magnesium are added?


Notes: see Teachers’ Guide


 
teachers’ guide w2


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w1: acids
w2: hydrochloric
w3: sulfuric
w4: nitric
w5: patterns


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