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Doss [256]
3 years ago
6

A sample of pure water is neutral because it contains 1. very few hydroxide ions and no hydronium ions. 2. no hydronium ions and

no hydroxide ions. 3. so few hydroxide and hydronium ions they cannot be detected. 4. very few hydronium ions and no hydroxide ions. 5. equal amounts of hydroxide and hydronium ions.
Chemistry
1 answer:
Nimfa-mama [501]3 years ago
3 0

Answer:

Option 5.

Equal amounts of hydroxide and hydronium ions

Explanation:

2H₂O  ⇄  H₃O⁺  +  OH⁻     Kw: 1×10⁻¹⁴

Neutral solution has pH = 7

So, [H₃O⁺] = [OH⁻]

In solutions of only pure water:

[H₃O⁺] = 1×10⁻⁷ M

[OH⁻] = 1×10⁻⁷ M

Kw = [H₃O⁺] . [OH⁻] → 1×10⁻⁷ . 1×10⁻⁷ = 1×10⁻¹⁴

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