k) Suppose your instructor handed you a bottle of sulfuric acid of unknown concentration. The chemistry department was considering using it for a summer program for elementary students to test rock samples to see if they contain limestone. However, they don't want to give it to the kids if it is too strong, and no one in the department was willing to drop some on their skin, and all the graduate students and TA's were already guinea pigs in other experiments, and the department did not want to compromise the data from that research in any way. So, the task falls to you, the eager undergraduate student.
(2 pts.) First, explain, using a chemical equation, and then describing it, how sulfuric acid could test for the presence of limestone. What specific reaction would be taking place, and what easily noticeable phenomenon would you be looking for when doing this test? Why?

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[ii] (3 pts.) Suppose you take a 25.00 mL sample of this sulfuric acid solution. You then titrate it with a 0.1322 M potassium hydroxide solution. A volume of 41.22 mL of potassium hydroxide was required to complete the titration. What is the concentration of this unknown sulfuric acid solution?

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The whole assignement is like 20 questions. Im just stuck on these 2. I have no idea where to start or go