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Ionic Equations - Question3

Edexcel AS-level ChemistryAmount of Substance and CalculationsLesson 8 of 39

Question: Write the ionic equation, with state symbols, for the reaction of solid calcium carbonate with dilute hydrochloric acid.

Step 1: write the balanced full equation.

CaCO3(s) + 2HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)

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Key terms in this lesson

spectator ion
An ion present in a reaction mixture that appears unchanged on both sides of the equation and takes no part in it.

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