Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 14 - Acids and Bases - Exercises - Problems - Page 521: 39

Answer

(a) $HI(aq) + NaOH(aq) -- \gt NaI(aq) + H_2O(l)$ (b) $HBr(aq) + KOH(aq) -- \gt KBr(aq) + H_2O(l)$ (c) $2HNO_3(aq) + Ba(OH)_2(aq) --\gt Ba(NO_3)_2(aq) + 2H_2O(l)$ (d) $2HClO_4(aq) + Sr(OH)_2(aq) -- \gt Sr(ClO_4)_2(aq) + 2H_2O(l)$

Work Step by Step

1. Write the double replacement equation. The cation in the acid will always be $H^+$, and, in this case, the anions of the bases are $OH^-$; 2. Balance the equation. Remember the reaction between an acid and a base with hydroxide ions follows the pattern: $Acid + Base --\gt Salt + Water$ Where the salt is the ionic compound created by the mixture of the 2 conjugate pairs of the acid and the base.
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