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Topic: Net ionic equation  (Read 751 times)

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Offline Gokeyjaw

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Net ionic equation
« on: April 17, 2022, 11:56:31 AM »
Write a net ionic equation for the reaction that occurs when magnesium carbonate (s) and excess hydrochloric acid (aq) are combined.


This picture shows the answer I had but it was wrong.
« Last Edit: April 17, 2022, 03:09:27 PM by Borek »

Offline Hunter2

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Re: Net ionic equation
« Reply #1 on: April 17, 2022, 02:12:54 PM »
It says you should use H3O+ instead of H+ . It also says HCl aq. Were is the Cl- aq left.

Offline Aldebaran

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Re: Net ionic equation
« Reply #2 on: April 17, 2022, 02:58:48 PM »
Some authors/teachers consider ions to be spectator ions (and thus omitted) if they would be unchanged electronically on both sides of the equation irrespective of their physical state (eg solid or aqueous) others will require an ion to appear on both sides of the equation if it changes state even though, in other respects, it remains unchanged. You need to reflect on what your teacher or exam board prefer; to see if this might be the source of your error.

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