... NGUYEN NGOC OANH KYTHUATMOfl GIAINHANHBAITAP HdA HOC TAP HOA H O C V C O - Tuyen chpn cac ky thuat giai nhanh ve chuyen de hoa v6 ca - Danh cho hoc sinh Idp 10,11 ,12 va luyen thi D H - CD NHA XUAT ... l,5y v , r4x + 3y = 0.8 Theobairataco:-^ ^ ix> x = 0 .125 ; y = 0.1 [1.5y=0.15 Tu Vay: m = (x + y).27 = (0 ,125 + 0,l).27 = 6.075(g) V = x/2 = 0 ,125 /2 = 0,0625(1) J>5pdndunglaA J Cty TNHHMTV mvu C&u ... phan mu6'i: NaClOj — ^ NaQ + O, Theo phuong trinh s6' mol NaQ = s6 mol NaQOj = 0, 012 # => Kh6i luong NaQ = 0, 012 58,5 = 0,702 g [ = 0,01027 Cau 7: Cho 50 gam dung dich M X ( M la kim loai ki6m,...