To decide if a substance is an acid or a base, before and after the reaction, count the hydrogens on each substance. If the number of hydrogens decreased this product is the acid (donates ions of hydrogen). If the number of hydrogens has risen the substance is the foundation (accepts hydrogen ions).
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Answer:
To decide if a substance is an acid or a base, before and after the reaction, count the hydrogens on each substance. If the number of hydrogens decreased this product is the acid (donates ions of hydrogen). If the number of hydrogens has risen the substance is the foundation (accepts hydrogen ions).
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