cho 4 mol axit axetic tac dung voi hh chua 0,5 mol glixerol va 1 mol etilen glicol(xt H2SO4 dac )Tinh khoi lung sp thu duoc ngoai nuoc, biet co 50% axit va 80% moi ancol da pu..../2_toluen co lam mat mau kmn04 o nhiet do thuong ko nhi___/__3mot hh co thanh phan la Cu2S.FeS2. nguoi ta hoa tan het quang vao dd h2so4 dac du thay chi co khi so2 thoat ra.Tong he so la cac so nguyen toi giancua 1 phong trinh pu khi hoa tan quang tren la__/__4 cho x la đ hno2 1 M có đo dien li la a.lan luot them vao 100ml dd x 100ml cac đ sau: HCL 1M,CH3COOH 1M, Na2CO3 1M,NaCL 1M.So truong hoplam tang do dienly lágiai thich cu the ho nhe.cho mjnh hoi them:ddloang va dac cai nao dan dien, dien ly tot hon.ma ban sinh nam 90 ak?