For the reaction b) in Question 2), how can you tell in the lab whether the reac

Question

For the reaction b) in Question 2), how can you tell in the lab whether the reaction is complete or not? 4) The reaction between the baking soda (NaHCO.) and vinegar (CH,COOH) we did in the lab belongs to the acid-base reaction. Answer the following questions based on this reaction a) Which reagent is an acid and which reagent is a base? Explain why b) How to determine if a solution is acidic or basic? c) Write down the full balanced equation. d) Write down the net ionic equation. e) What are spectator ions in this reaction?

Explanation / Answer

a)

CH3COOH(aq) : acid

NaHCO3(aq) : base

b) with the help of litmus paper it is possible to identify the solution .

acid turns blue litmus to red.

base turns red litmus to blue.

c) NaHCO3(aq) + CH3COOH(aq) -----> CH3COONa(aq) + CO2(g) + H2O(l)

d) HCO3-(aq) + H+(aq) ----> CO2(g) + H2O(l)

e) CH3COO- , Na+ is spectator ions

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