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22 December, 21:12

1

An unknown substance has a hydronium concentration of [H3O+]=6.8 x

10^-11 M. What kind of substance is this?

A. acid

B. base

C. neutral

D. saline

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Answers (2)
  1. 22 December, 21:21
    0
    D. Saline

    Explanation:

    coz it's saline
  2. 23 December, 01:12
    0
    Answer:B

    Explanation:ph = - log H+

    PH = -log 6.8 x 10 - 11

    Ph = 10.2 basic
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