What is the hydronium ion concentration in a .00000236M KOH solution? Set up:

Chemistry
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What is the hydronium ion concentration in a .00000236M KOH solution? Set up:

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May 19th, 2015

DATA:

Concentration of KOH solution = 0.00000236M = 2.36*10-6M

Concentration of H+ =?

SOLUTION:

pOH = -log[OH-]

  = -log[2.36*10-6]

pOH = 5.6270

pH + pOH =14

pH= 14 – pOH

pH = 14- 5.6270

pH = 8.3729

pH = -log[H+]

8.3729 = -log [H+]

[H+] = antilog – 8.3729

[H+] = 4.2372*10-9M


May 19th, 2015

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