Ionli korinishdagi tenglama Cu2+ + S2~ -> CuS ni molekulyar holda y

A) CO 23~, K+

8. (97-1-48) Ionli korinishdagi tenglama Cu2+ + S2~ -> CuS ni molekulyar holda yozish uchun quyidagi ionlar juftining qaysi birini olish mumkin? A) CO 23~, K+ B) Br+, Na+ РЎ) РЎР“, Pb2*
D) РЎР“, H*
E) Br, Ba2*