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nikklg [1K]
3 years ago
5

The diagram shows heat energy being transferred as hot water rises to the top of the pot and cool water sinks to the bottom.

Chemistry
1 answer:
Orlov [11]3 years ago
7 0
I think it would be insulation
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Answer:

[Na₂CO₃] = 0.094M

Explanation:

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It is possible to find pH using Henderson-Hasselbalch formula:

pH = pka + log₁₀ [A⁻] / [HA]

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pH is desire pH and pKa (<em>10.00</em>) is -log pka = -log 4.7x10⁻¹¹ = <em>10.33</em>

<em />

Replacing these values:

10.00 = 10.33 + log₁₀ [Na₂CO₃] / [0.20]

<em> [Na₂CO₃] = 0.094M</em>

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