< 2 of 30 Review | Constants | Periodic Tab 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 Podca 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 Part B Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ? H3PO4 + Mg(OH)2 + Mg(PO4)2 +? H2O Balance the equation, then enter the coefficients, in order, in the answer box. Enter four integers separated by commas. ► View Available Hint(s) 2,3,3,6 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining