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Airida [17]
2 years ago
9

The poh of windex window cleaner is 2.40, calculate the hydrogen ion and hydroxide ion concentration.

Chemistry
1 answer:
pashok25 [27]2 years ago
3 0

1. The hydrogen ion concentration [H+] is 2.51×10⁻¹² M

2. The hydroxide ion concentration [OH¯] is 3.98×10¯³ M

<h3>1. How to determine the hydrogen ion concentration, [H+]</h3>

From the question given above, the following data were obtained:

  • pOH = 2.40
  • pH = 14 - pOH = 14 - 2.4 = 11.6
  • Hydrogen ion concentration [H+] =?

pH = –Log [H+]

11.6 = –Log [H+]

Multiply through by –1

–11.6 = Log [H+]

Take the anti-log of –11.6

[H+] = anti-log (–11.6)

[H+] = 2.51×10⁻¹² M

<h3>2. How to determine the hydroxide ion concentration, OH¯</h3>
  • Hydrogen ion concentration [H⁺] = 2.51×10⁻¹² M
  • Hydroxide ion concentration [OH¯] =?

[H⁺] × [OH¯] = 10¯¹⁴

2.51×10⁻¹² × [OH¯] = 10¯¹⁴

Divide both side by 2.51×10⁻¹²

[OH¯] = 10¯¹⁴ / 2.51×10⁻¹²

[OH¯] = 3.98×10¯³ M

Learn more about pH:

brainly.com/question/21881762

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