... (chiem 25% ) - s „ , C I (chiem 75% ) v a 17CI • ^ , , ,> T Nguyen tu khoi trung binh cua d o la: A = 35 x 75 lUU + 37 x 25 lUU _ = 35, 5 ^ C a u h i n h electron Thie tu cac miec nang luang ... 2HC1 • ^ > FeCk + H2 0,2 Tac6:m-0, 25. 56 + 0, 15. 64 = 0,725m - > m = 16gam —> Dap an A '['\ 2 45 dm Cty TIM HH MTV DWH Khang Vigt nang 6n luygn thi d^i hpc 18 chuy§n 6i H6a hgc - NguySn van Hai ... 0,5x H = ^ ^ 0 % = 80% 0,1 D 84,1 ^ ' Bao toan khoi lugng: m = mzn, Cu, Ag + ^^Q-^ + mNH4N03 m N + m o = 18, 8-10,16 = , 4 x + 32.0,5x = 8,64 ^ ^ -'^iti& + 5? ': ^ 0, 95. 1 = 0 ,55 + 8a + 0, 05 +...