Math Problem Statement
Aspirin (MW = 180.2) is an acidic drug. Its pKa value is 3.5. With an empty stomach, a patient takes a pill of 300 mg aspirin with 250 mL of water. Assuming the pill is fully dissolved in the stomach, what is the resultant pH of the contents in his stomach? Round your answer to 1 decimal place. what would be the pH if the patient took a pill of 300 mg aspirin sodium (MW = 202.1) instead? Round your answer to 1 decimal place.
Solution
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Math Problem Analysis
Mathematical Concepts
Chemistry Calculations
Acid-Base Chemistry
pH Calculation
Formulas
pH = pKa + log([A-]/[HA])
Concentration = Mass / (Molar Mass * Volume)
Theorems
Henderson-Hasselbalch Equation
Suitable Grade Level
Undergraduate
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