Chemistry

Chemistry

Problem

In the sequential aqueous reactions below, Step 1: Zn(s)+2 H+(aq)→Zn2+(aq)+H2(g)Zn(s) + 2\,H^{+}(aq) \rightarrow Zn^{2+}(aq) + H_{2}(g) Step 2: Zn2+(aq)+2 OH−(aq)→Zn(OH)2(s)Zn^{2+}(aq) + 2\,OH^{-}(aq) \rightarrow Zn(OH)_{2}(s) which species is an intermediate that is cancelled when the two steps are combined to obtain the overall net ionic equation? a) H+(aq)H^{+}(aq) b) H2(g)H_{2}(g) c) Zn2+(aq)Zn^{2+}(aq) d) OH−(aq)OH^{-}(aq)

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