Na2C03 tuzi gidrolizini tezlashtirish uchun qanday amallarni bajarish

A) 1,2

119. (v19/20-123-22) Na2C03 tuzi gidrolizini tezlashtirish uchun qanday amallarni bajarish kerak? 1) eritmani sovitish; 2) eritmaga kislota qoshish; 3) eritmaga suv qoshish; 4) eritmaga toza Na2C03 qoshish; 5) eritmani qizdirish. A) 1,2 B) 2, 3, 5 C)1,3, 4
D) 4, 5