A va B moddalardan C va D moddalar olingan. Grafikdagi ma’lumotlar asosida D moddaning massasini (g) toping.

A va B moddalardan C va D moddalar olingan. Grafikdagi ma’lumotlar asosida D mod
  1. 21,6
  2. 26,4
  3. 28,8
  4. 25,2

📝 Detailed explanation

Grafikdan: A ning massasi 28,8 dan 20,4 ga kamaygan (Δ=8,4), B esa 28,8 dan 0 ga (Δ=28,8). C 0 dan 10,8 ga oshgan. Massa saqlanishi qonuni bo‘yicha: D = 8,4 + 28,8 − 10,8 = 26,4 g.
3 / 30 (10%)
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