Problem: Part B. When the following reaction occurs:H3PO4(aq) + Ca(OH)2(aq) →What is the formula for the salt formed? Express your answer as a chemical formula.Reactions in water solution can be classified based on the driving force that converts reactants to product. The three classes are precipitation reactions, acid-base neutralization reactions, and oxidation-reduction reactions.• In precipitation reactions a solid product forms from aqueous reactants. The product can be predicted by using solubility rules.• In acid-base neutralization reactions an acid (proton donor) reacts with a base (proton acceptor) to form an ionic salt and sometimes water. You can recognize this type of reaction by the presence of an acid and base in the reactants.• In oxidation-reduction reactions (or redox for short) electrons are transferred between reactants. So you will always see changes in oxidation number within this type of reaction.

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  • Reaction is a neutralization reaction where water + salt is formed when a base (Ca(OH)2) and acid (H3PO4) react. 

  • Neutralization reaction is a type of a double displacement reaction where ions are switched with their respective counter ions.

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Problem Details

Part B. When the following reaction occurs:

H3PO4(aq) + Ca(OH)2(aq) →

What is the formula for the salt formed? 

Express your answer as a chemical formula.


Reactions in water solution can be classified based on the driving force that converts reactants to product. The three classes are precipitation reactions, acid-base neutralization reactions, and oxidation-reduction reactions.

• In precipitation reactions a solid product forms from aqueous reactants. The product can be predicted by using solubility rules.
• In acid-base neutralization reactions an acid (proton donor) reacts with a base (proton acceptor) to form an ionic salt and sometimes water. You can recognize this type of reaction by the presence of an acid and base in the reactants.
• In oxidation-reduction reactions (or redox for short) electrons are transferred between reactants. So you will always see changes in oxidation number within this type of reaction.

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