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jolli1 [7]
3 years ago
5

If two aspirin tablets, each having a mass of 325 mg, are dissolved in a full stomach whose volume is 1 L and whose pH is 2, wha

t percent of the aspirin is in the form of neutral molecules?
Medicine
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

99.7 %

Explanation:

pH = pKa + log(B/A)

In this case, the basic form is the charged form. The neutral form is the acid, because aspirin is o-acetyl benzoic acid

pKa = -log (ka) = 4.53

2 - 4.53 = log(b/a) = -2.53

10^(-2.53) = 0.00288

so, that means that Base/Acid = 0.0028 / 1

so, total is .00288 + 1 = 1.00288

and the percent of acid is 1/1.00288 x100%= 99.7 %

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