Question

Josh decided to mix some vinegar with baking soda. He knew that a reaction occurred because he made careful observations. He noted that the mixture started to foam up and bubble and was white in color. How did josh know that a chemical reaction occured? He was sure a reaction occured because of

Answer 1

Josh was sure that the reaction occurred because of the formation of carbon dioxide (CO₂) which is a gas.

Explanation:

Vinegar contains acetic acid (CH₃-COOH) and baking soda is sodium hydrogen carbonate (NaHCO₃). The reaction between these two compounds will produce sodium acetate (CH₃-COONa), carbon dioxide (CO₂) and water (H₂O).

CH₃-COOH + NaHCO₃ → CH₃-COONa + CO₂ + H₂O

Josh was sure that the reaction occurred because of the formation of carbon dioxide (CO₂) which is a gas.

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