Does a gas form when vinegar and baking soda are mixed?

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Does a gas form when vinegar and baking soda are mixed?

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Answer 1 · 2016-10-18T08:20:03

What did you see when you did the experiment? I am betting that you saw copious bubbling.

Explanation:

Vinegar is approx. 20% acetic acid in water. This acid is certainly strong enough to protonate baking soda.

$H_{3} C - C O_{2} H (a q) + N a H C O_{3} (a q) \to H_{3} C - C O_{2}^{-} N a^{+} + C O_{2} (g) ↑ ⏐ + H_{2} O$ $H_3C-CO_2H(aq) + NaHCO_3(aq)rarr H_3C-CO_2^(-)Na^(+) + CO_2(g)uarr+ H_2O$

When you bake a cake, you typically add baking soda. The baking soda reacts with the acidic eggs, and butter, and the released carbon dioxide, raises your cake, so it has a nice spongy texture. Yumm.

How would you confirm that the released gas in the experiment was carbon dioxide?

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Does a gas form when vinegar and baking soda are mixed?

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