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Net Ionic Equations

This worksheet covers Net Ionic Equations, which is part of the Chemical Reactions module in the Chemistry course. Practice problems are designed to strengthen key concepts and build confidence.

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Net Ionic Equations

Chemical Reactions • Chemistry

Set 3 — Foundation

What is the net ionic equation for the reaction between sodium chloride and silver nitrate?

$Ag^{+} + Cl^{-} \rightarrow AgCl$

$Na^{+} + NO_{3}^{-} \rightarrow NaNO_{3}$

$Na^{+} + Cl^{-} + Ag^{+} + NO_{3}^{-} \rightarrow AgCl + NaNO_{3}$

$AgCl + NaNO_{3} \rightarrow Ag^{+} + Na^{+} + Cl^{-} + NO_{3}^{-}$

In a reaction between hydrochloric acid and sodium hydroxide, what is the net ionic equation?

$H^{+} + OH^{-} \rightarrow H_{2}O$

$Na^{+} + Cl^{-} + H^{+} + OH^{-} \rightarrow Na^{+} + Cl^{-} + H_{2}O$

$HCl + NaOH \rightarrow NaCl + H_{2}O$

$H^{+} + Na^{+} + Cl^{-} + OH^{-} \rightarrow H_{2}O + NaCl$

What ions are spectator ions in the reaction between potassium sulfate and barium nitrate?

$K^{+}, NO_{3}^{-}$

$Ba^{2+}, SO_{4}^{2-}$

$K^{+}, Ba^{2+}$

$SO_{4}^{2-}, NO_{3}^{-}$

Which of the following is a net ionic equation for the reaction of calcium chloride with sodium carbonate?

$Ca^{2+} + CO_{3}^{2-} \rightarrow CaCO_{3}$

$CaCl_{2} + Na_{2}CO_{3} \rightarrow CaCO_{3} + 2NaCl$

$Ca^{2+} + 2Cl^{-} + 2Na^{+} + CO_{3}^{2-} \rightarrow CaCO_{3} + 2Na^{+} + 2Cl^{-}$

$CaCO_{3} + 2Na^{+} \rightarrow Ca^{2+} + 2Na^{+} + CO_{3}^{2-}$

Identify the net ionic equation for the reaction of magnesium sulfate with sodium phosphate.

$Mg^{2+} + PO_{4}^{3-} \rightarrow Mg_{3}(PO_{4})_{2}$

$3Mg^{2+} + 2PO_{4}^{3-} \rightarrow Mg_{3}(PO_{4})_{2}$

$MgSO_{4} + 3Na_{3}PO_{4} \rightarrow Mg_{3}(PO_{4})_{2} + 3Na^{+} + SO_{4}^{2-}$

$Mg^{2}+ + 3Na^{+} + 3SO_{4}^{2-} + 2PO_{4}^{3-} \rightarrow Mg_{3}(PO_{4})_{2}$

What is the net ionic equation for the reaction between lead(II) nitrate and potassium iodide?

$Pb^{2+} + 2I^{-} \rightarrow PbI_{2}$

$Pb(NO_{3})_{2} + 2KI \rightarrow PbI_{2} + 2KNO_{3}$

$Pb^{2+} + 2NO_{3}^{-} + 2K^{+} + 2I^{-} \rightarrow PbI_{2} + 2K^{+} + 2NO_{3}^{-}$

$PbI_{2} + 2K^{+} + 2NO_{3}^{-} \rightarrow Pb^{2+} + 2I^{-} + 2K^{+} + 2NO_{3}^{-}$

Which of the following represents a net ionic equation for the reaction of ammonium sulfate with barium hydroxide?

$Ba^{2+} + SO_{4}^{2-} \rightarrow BaSO_{4}$

$2NH_{4}^{+} + Ba(OH)_{2} \rightarrow BaSO_{4} + 2NH_{4}OH$

$BaSO_{4} + 2NH_{4}^{+} + 2OH^{-} \rightarrow Ba^{2+} + 2NH_{4}^{+} + SO_{4}^{2-}$

$Ba^{2+} + 2OH^{-} + 2NH_{4}^{+} + SO_{4}^{2-} \rightarrow BaSO_{4} + 2NH_{4}OH$

In the reaction of sodium bicarbonate with hydrochloric acid, what is the net ionic equation?

$H^{+} + HCO_{3}^{-} \rightarrow H_{2}O + CO_{2}$

$NaHCO_{3} + HCl \rightarrow NaCl + H_{2}O + CO_{2}$

$Na^{+} + HCO_{3}^{-} + H^{+} + Cl^{-} \rightarrow Na^{+} + Cl^{-} + H_{2}O + CO_{2}$

$H^{+} + Cl^{-} + Na^{+} + HCO_{3}^{-} \rightarrow NaCl + H_{2}O + CO_{2}$

What is the net ionic equation for the reaction of sodium sulfate with barium chloride?

$Ba^{2+} + SO_{4}^{2-} \rightarrow BaSO_{4}$

$Na_{2}SO_{4} + BaCl_{2} \rightarrow BaSO_{4} + 2NaCl$

$2Na^{+} + SO_{4}^{2-} + Ba^{2+} + 2Cl^{-} \rightarrow BaSO_{4} + 2Na^{+} + 2Cl^{-}$

$BaSO_{4} + 2NaCl \rightarrow Ba^{2+} + 2Cl^{-} + Na^{+} + SO_{4}^{2-}$

10.

Which of the following is the net ionic equation for the reaction of copper(II) sulfate with sodium phosphate?

$Cu^{2+} + 2PO_{4}^{3-} \rightarrow Cu_{3}(PO_{4})_{2}$

$CuSO_{4} + 3Na_{3}PO_{4} \rightarrow Cu_{3}(PO_{4})_{2} + 3Na^{+} + SO_{4}^{2-}$

$Cu^{2+} + SO_{4}^{2-} + 3Na^{+} + 2PO_{4}^{3-} \rightarrow Cu_{3}(PO_{4})_{2} + 3Na^{+} + SO_{4}^{2-}$

$Cu_{3}(PO_{4})_{2} + 3Na^{+} + SO_{4}^{2-} \rightarrow Cu^{2+} + 3Na^{+} + 2PO_{4}^{3-}$

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