The formula of the salt produced in the neutralization reaction is Na₂HPO4. An acid is characterized by properties such as the ability to conduct electricity and to produce hydrogen ions in water.
The salt formula produced in the complete neutralization reaction between phosphoric acid (H3PO4) and sodium hydroxide (NaOH) will be Na₂HPO4. This is because when H3PO4 reacts with NaOH, it forms Na₂HPO4. The balanced equation for this reaction is:
H3PO4 + 2NaOH -> Na₂HPO4 + 2H2O
Properties that describe an acid include the ability to conduct electricity and produce hydrogen ions in water. Therefore, option C—Producing hydrogen ions in water—describes an acid.
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