Chemistry, 21.03.2020 03:01 bettybales1986
Aspirin (acetylsalicylic acid, C9H8O4) is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the pH.
What was the Ka value calculated by the student if thepH of the solution was 2.62?
A 0.100 M solution of ethylamine (C2H5NH2) has a pH of 11.87.
Calculate the Kb for ethylamine.
Answers: 2
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
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Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose
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