The activity series in Table 9.6 shows that reaction (a) is spontaneous whereas reaction (b) is nonspontaneous at 25°C:
(a) Fe(s) + 2H+(aq)→Fe2+(aq)+H2(g)
(b) Cu(s) + 2H+(aq)→Cu2+(aq)+H2(g)
Use the data in Appendix 2 to calculate the equilibrium constant for these reactions and hence confirm that the activity series is correct.
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