Which of the following combinations of compounds will make a buffer when mixed? A. HCl and NaOH B. CH3COOH and NaCH3Coo

Question

Which of the following combinations of compounds will make a buffer when
mixed?
A. HCl and NaOH
B. CH3COOH and NaCH3Coo
C.HCl and NaBr
D. CH3COOH and NHACI

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Vân Khánh 6 months 2021-07-15T09:29:47+00:00 1 Answers 13 views 0

Answers ( )

    0
    2021-07-15T09:31:15+00:00

    Answer:

    B. CH3COOH and NaCH3COO

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )