42. (v12z-105-30) 400 g 20% li AgN03 eritmasi bilan 41,7 ml 26% li HCI eritmasi (p = 1,2 g/ml) aralashtirildi. Eritmada qolgan moddaning massa ulushini (%) toping.
A) 60 B)6,0
C) 4,88
D) 19,5
42. (v12z-105-30) 400 g 20% li AgN03 eritmasi bilan 41,7 ml 26% li HCI eritmasi (p = 1,2 g/ml) aralashtirildi. Eritmada qolgan moddaning massa ulushini (%) toping.
A) 60 B)6,0
C) 4,88
D) 19,5
Ответ: |
Сборник: Kimyo
Параграф:
45. Ortiqcha - kam berilgan moddalar bo'yicha masalalar
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