Reactions of acids

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Question 3
Easy

Ethanoic acid is a compound of carbon.

The formula of ethanoic acid is C2H4O2\text{C}_2\text{H}_4\text{O}_2C2​H4​O2​.

a.

Which ion is produced by ethanoic acid in aqueous solution?

  • H+\text{H}^+H+
  • OH−\text{OH}^-OH−
  • O2−\text{O}^{2-}O2−
[1]
b.

Calculate the relative formula mass (MrM_rMr​) of ethanoic acid (C2H4O2\text{C}_2\text{H}_4\text{O}_2C2​H4​O2​).

Relative atomic masses (ArA_rAr​): H=1\text{H} = 1H=1, C=12\text{C} = 12C=12, O=16\text{O} = 16O=16.

[2]

Reactions of acids Questions

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