Hdidjfkidinsnsndndna Hdidjfkidinsnsndndna
  • 22-05-2021
  • Chemistry
contestada

Find the hydroxide ion concentration [OH-] of an HCl solution with a pH of 6.93.

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MysteryPerson1
MysteryPerson1 MysteryPerson1
  • 22-05-2021

Answer:

[OH-] = 1.8 x 10^-7

Explanation:

pH + pOH = 14 --> 6.93 + pOH = 14 *subtract 6.93 from both sides

pOH = 7.07

-->

10^pH => 10^-6.93 => 1e - 6.93 [H+]

-->

H+ x OH- = 1 x 10^-6.93 *divide H+ from both sides

-->

[OH-] = 1.17 x 10^-7 or 1.8 x 10^-7

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