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Examen

BIOC 3021 Practice Exam 1 Questions and Answers
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noviembre 2024

2024/2025

A+
BIOC 3021 Practice Exam 1 Questions and Answers A buffer solution is made from a weak acid, HA (pKa 6.0) and its conjugate base A-. What is the ratio of the base A- to the acid HA at pH 5.0? - AnswerspH = pKa + log[A-]/[HA] 5 = 6 + log[A-]/[HA] -1 = log [A-]/[HA] 10^-1 = ratio raio = 0.1 Which of these elements is the least common in organic compounds within living cells? a) C b) F c) S d) N - AnswersB- fluoride If the hydrogen ion concentration of the blood increas...
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