... cha 0,5 mol AgNO3 vi cng dũng in 3,86 A, thi gian t giõy thu c dung dch X (hiu sut quỏ trỡnh in phõn l 100%) Cho 22,4 gam bt thi ny gm cú trang Mó thi 485 Fe vo X thy thoỏt khớ NO (sn phm kh ... trimetyl amin, axit fomic, ClH3NCH2COOH thi ny gm cú trang Mó thi 485 Cõu 43: Cho hn hp khớ X gm: H2; hirocacbon khụng no vo bỡnh kớn cha Ni nung núng Sau mt thi gian c hn hp khớ Y Nhn nh no sau ... H2SO4 loóng Th tớch dung dch KMnO4 ln nht cn dựng l A 28 ml B 152 ml C 204 ml D 52 ml thi ny gm cú trang Mó thi 485 Cõu 35: X, Y, Z, T cú cụng thc tng quỏt C2H2On (n 0) Bit X, Y, Z tỏc dng vi...