PLEASE HELP FAST!!! Which of the following is an acid? (3 points) Be(OH)2 HCl LiBr NH3

Question

PLEASE HELP FAST!!!

Which of the following is an acid? (3 points)
Be(OH)2
HCl
LiBr
NH3

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Thái Dương 3 months 2021-07-10T13:22:54+00:00 1 Answers 3 views 0

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    0
    2021-07-10T13:24:26+00:00

    HCI, hydrochloric acid.

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