Question

In preparation for EDTA titrations, choose the chemicals you will use to make a pH 10 buffer (can be multi-choice). (A) a weak acid with pKa = 4.2; (B) a weak acid with pKa = 7.5; (C) a weak acid with pKa = 9.8; (D) a strong acid; and (E) a strong base. Use one or two sentences to explain your choices.

Answer 1

Answer:

Antibiotics are medicines that help stop infections caused by bacteria. They do this by killing the bacteria or by keeping them from copying themselves or reproducing. The word antibiotic means “against life.” Any drug that kills germs in your body is technically an antibiotic.

Explanation:

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Answer 2

Answer:

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