convert the following potentials. the ag | agcl and calomel reference electrodes are saturated with kcl. (a) 0.523 v versus s.h.e. ? versus ag | agcl (b) 0.111 v versus ag | agcl ? versus s.h.e. (c) 0.222 v versus s.c.e. ? versus s.h.e. (d) 0.023 v versus ag | agcl ? versus s.c.e. (e) 0.023 v versus s.c.e. ? versus ag | agcl