# Chapter 3 Chemical Reactions - Study Questions: 20

a) Complete and Balance chemical equation: $Pb(NO_{3})_{2}(aq) + 2KBr(aq) → PbBr_{2}(s) + 2KNO_{3}(aq)$ Net ionic equation: $Pb^{+2}(aq) + 2Br^{-2}(aq) → PbBr_{2}(s)$ b) Complete and Balance chemical equation: $Ca(NO_{3})_{2}(aq) + 2KF(aq) → CaF_{2}(s) + 2KNO_{3}(aq)$ Net ionic equation: $Ca^{+2}(aq) + 2F^{-1}(aq) → CaF_{2})(s)$ c) Complete and Balance chemical equation: $Ca(NO_{3})_{2}(aq) + Na_{2}(C_{2}O_{4})(aq) → Ca_(C_{2}O_{4})(s) + 2NaNO_{3}(aq)$ Net ionic equation: $Ca^{+2}(aq) + (C_{2}O_{4})^{-2}(aq) → Ca_(C_{2}O_{4})(s)$

#### Work Step by Step

a) Complete and Balance chemical equation: $Pb(NO_{3})_{2}(aq) + 2KBr(aq) → PbBr_{2}(s) + 2KNO_{3}(aq)$ Net ionic equation: $Pb^{+2}(aq) + 2Br^{-2}(aq) → PbBr_{2}(s)$ b) Complete and Balance chemical equation: $Ca(NO_{3})_{2}(aq) + 2KF(aq) → CaF_{2}(s) + 2KNO_{3}(aq)$ Net ionic equation: $Ca^{+2}(aq) + 2F^{-1}(aq) → CaF_{2})(s)$ c) Complete and Balance chemical equation: $Ca(NO_{3})_{2}(aq) + Na_{2}(C_{2}O_{4})(aq) → Ca_(C_{2}O_{4})(s) + 2NaNO_{3}(aq)$ Net ionic equation: $Ca^{+2}(aq) + (C_{2}O_{4})^{-2}(aq) → Ca_(C_{2}O_{4})(s)$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.