79. (v15-118-5) Berilgan eritmadagi misni; sulfid tarzida toliq choktirish uchun kaliy sulfid tuzi mis (II) sulfat tuzidan 10 g kam sarflansa, necha gramm CuS04 sarflangan?
A)48
79. (v15-118-5) Berilgan eritmadagi misni; sulfid tarzida toliq choktirish uchun kaliy sulfid tuzi mis (II) sulfat tuzidan 10 g kam sarflansa, necha gramm CuS04 sarflangan?
A)48 B) 32 C)16
D) 50