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In Part 3, the initial concentration of H+ in Reaction Mixture 1 is 0.05M. What is the concentration of H+ after mixing?

"Pipette 10 mL of Reaction Mixture 1 into a 50 mL beaker. Pipette 1 mL of the KMnO4 into the Reaction Mixture, starting the stopwatch immediately."

A. 0.055M
B. 0.05M
C. 0.045M
D. 6.00 × 10-2M

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