a) Cu -> CuO -> CuSO4 -> Cu(OH)2 -> CuO -> Cu
b) P -> P2O5 -> H3PO4 -> Ca3(PO4)2
c) Li -> Li2O -> LiOH -> Li2SO4
a) Cu -> CuO -> CuSO4 -> Cu(OH)2 -> CuO -> Cu
b) P -> P2O5 -> H3PO4 -> Ca3(PO4)2
c) Li -> Li2O -> LiOH -> Li2SO4