Reacting acids with carbonates
2 marks · HardState the general word equation for the reaction of a carbonate with an acid. Identify all the types of products that are always formed in this reaction.
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carbonate + acid → salt + carbon dioxide + water
Also accept: Acid + carbonate → salt + water + carbon dioxide; A carbonate reacts with an acid to produce a salt, carbon dioxide and water
Common mistakes: Omitting water as a product; Listing only some products
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Marking points
B1 · 1 mark · Correct general word equation structure for acid + carbonate
B2 · 1 mark · Names all three products: salt, carbon dioxide, water
Worked solution
The general word equation is:
carbonate + acid → salt + carbon dioxide + water
The types of products always formed are a salt, carbon dioxide and water.