... khớ mt thi gian, thu c m gam rn B. Cho B pvi dd HNO3 d, thỡ thu c 0,1 mol NO. Giỏ tr m: A.15,2 g B. 15,75 g C.16,25 D. 17,6gCõu 26 iu ch Ag t ddAgNO3 ta khụng th d ng: A. in phõn ddAgNO3 ... 41A 5¢2C 1 2D 22C 32A 42A 52B 3D 13C 2 3D 3 3D 43B 53C4B 14B 24A 34B 44B 54C5C 15C 2 5D 3 5D 4 5D 55A6B 1 6D 2 6D 36C 46C 56B7B 17C 27A 3 7D 47B 57A8B 18A 28A 38C 4 8D 58A9B 19A 29B 3 9D 49C 59B10A ... ddAgNO3 B. Cu p vi ddAgNO3 C. Nhit phõn AgNO3 D. Cho Ba phn ng vi ddAgNO3 Cõu 27: in phõn dung dch mui CuSO4 d trong thi gian 1930 giõy, thu c 1,92 gam Cu catụt. Cng d ngin trong quỏ...