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A beaker with 1.90×102 mL of an acetic acid buffer with a pH of 5.000 is...

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Chemistry

A beaker with 1.90×102 mL of an acetic acid buffer with a pH of5.000 is sitting on a benchtop. The total molarity of acid andconjugate base in this buffer is 0.100 M. A student adds 7.70 mL ofa 0.430 M HCl solution to the beaker. How much will the pH change?The pKa of acetic acid is 4.740.

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4.5 Ratings (956 Votes)
let x concentration acid let y concentration conjugate base x y 0100 500 4740 log yx we must solve this system 500 4740 log yx 026 log yx 10026 182    See Answer
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