Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: Part B. Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction:? H3PO4 + ? Mg(OH)2 → ? Mg3(PO4)2 + ? H2OBalance the equation, then enter the coefficients, in order, in the answer box.Enter four integers separated by commas.Balancing equations with polyatomic ionsWhen balancing chemical equations with polyatomic ions, it may help to balance the ion as a whole. For example, the ion PO43− can be treated as a unit and balanced in both the reactants and the product, or you can break it down and balance each atom separately.

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Problem Details

Part B. Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction:

? H3PO4 + ? Mg(OH)2 → ? Mg3(PO4)2 + ? H2O

Balance the equation, then enter the coefficients, in order, in the answer box.

Enter four integers separated by commas.


Balancing equations with polyatomic ions

When balancing chemical equations with polyatomic ions, it may help to balance the ion as a whole. For example, the ion PO43− can be treated as a unit and balanced in both the reactants and the product, or you can break it down and balance each atom separately.

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