\(100\ \text{mL}\) of \(0.1M\ HCl\) and \(100\ \text{mL}\) of \(0.05M\ H_2SO_4\) are mixed and the solution is diluted to \(2.0\ L\) by adding water. The pH of the resulting solution is
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For acid mixture problems, first calculate total moles of \(H^+\), then divide by final volume.