... FeCO ,Cu(NO ) + H 2SO , NaNO Mg , Fe ,Cu , Na , NH , SO + H ,CO , N x O y 4 42 4 43 42 43 4 4 4 4 4 4 43 44 4 43 m(g)X dung dịch hỗn hợp 62,605(g) Y 0,17 mol hỗn hợp Z 0, 045 mol Cho } NaOH ... + , NH + ,SO Fe(OH) a ,Cu(OH) , Mg(OH) + Na 2SO 4 4 4 4 4 4 4 43 4 4 4 4 43 31,72(g) 62,605(g)Y (1) n Fea + + n Mg 2+ + n Cu 2+ + n NH 4+ = n NaOH = 0,865 mol BTDT n H 2SO = n SO = n Na ... CH3COOH, C2H5OH v H 2SO4 c B CH3COOH v CH3OH C CH3COOH v C2H5OH.D CH3COOH, CH3OH v H 2SO4 c Cõu 23: un núng 36 gam glucoz vi dung dch AgNO 3/NH3 d thỡ thu c m gam Ag Giỏ tr ca m l : A 32 ,4 B 43 ,2...