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Arisa [49]
3 years ago
6

BRAINLIEST

Chemistry
1 answer:
Nat2105 [25]3 years ago
6 0

Answer:

[H₃O⁺] → 1×10¹¹

Second option

Explanation:

pH = - log [H₃O⁺]

So, 10^⁻pH =  [H₃O⁺]

pH = 11

10⁻¹¹ =  [H₃O⁺] → 1×10¹¹

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Answer:

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5 0
3 years ago
Write the chemical equations involved in this experiment and how that the rate of disappearance of [S2O8^2-] is proportional to
Ne4ueva [31]

S₂O₈²⁻

(aq) + 2I⁻

(aq) → I₂(aq) + 2SO₄

²⁻(aq)

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(aq)

<u>Explanation:</u>

S₂O₈²⁻

(aq) + 2I⁻

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²⁻(aq)

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²⁻  and I⁻

i) a small amount of sodium thiosulfate, Na₂S₂O₃,

ii) some starch indicator.

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2S₂O₃²⁻

(aq) + I₂(aq) → S₄O₆²⁻

(aq) + 2I⁻

(aq)

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rate = \frac{dI2}{dt} = \frac{1/2 [S2O3^2^-]}{t}

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3 years ago
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Vladimir79 [104]
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Answer:

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