Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 3 Chemical Reactions - Study Questions: 20

Answer

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: $Ca^{+2}(aq) + (C_{2}O_{4})^{-2}(aq) → Ca_(C_{2}O_{4})(s)$
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