oxalate(out) + 2 chloride(in) => oxalate(in) + 2 chloride(out)
oxalate(out) + 2 chloride(in) => oxalate(in) + 2 chloride(out)
oxalate(out) + 2 chloride(in) => oxalate(in) + 2 chloride(out)
oxalate(out) + 2 chloride(in) => oxalate(in) + 2 chloride(out)