17 Discuss in detail the magnitude of the changes in pH that are observed in wells A1 and A2 relative to those observed in wells B1 and B2.

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17 Discuss in detail the magnitude of the changes in pH that are observed in wells A1 and A2 relative to those observed in wells B1 and B2.

19 Observation from conc HCl addition and net ionic equation for the reaction.

20 Account for the observation resulting from the addition of water.

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