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I want to ask why this type of question has two solutions, for example on workbook Quiz 1 Preparation Fall 2012 Q10, there are two answers, one for CaCl2 and one for AgNO3. I think only the one for AgNO3 should count, because it is limiting reactant, right? I am confused. Thanks for helping me!
The two answers is just a way to determine which reactant is the limiting one. Since the amount of CaCl2 given would yield 9.5 g AgCl and the amount of AgNO3 given would yield 3.9 g AgCl, we know that AgNO3 is the limiting reactant (since it yields less AgCl). And we now know that this reaction would result in 3.9 g AgCl. But you're right, you only need the second answer. Hope that helps.
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