PH, Ka
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Can someone please walk me through how to do the following problem? Thank you!
A typical aspirin tablet contains 324 mg of aspirin (C9O4H8), a monoprotic acid with Ka=2.8 x 10^-4. A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 ml glass of water, what is the pH of the solution?
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This Solution contains over 200 words and calculations to aid you in understanding the Solution to these questions.
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Step 1: Calculate the molarity of the solution
For this we need the molar mass of aspirin, which is 180.154 g/mol. You can do that calculation yourself easily enough. You can set this up in many different ways. I've just done it as one long unit dimensional analysis to show you how you can do it altogether.
(0.324 g/tablet) (2 tablets/300 mL) (1 mol/180.154 g) ...
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