... Banfileword.com B 2 017 MễN HểA HC 1- D 2-C 3-D 4- A 5-B 6-B 7-D 8-C 9-C 10 -A 11 -B 12 -A 13 -C 14 - B 15 -A 16 -B 17 -C 18 -C 19 -D 20-A 21- A 22-C 23-A 24- C 25-D 26-D 27-C 28-C 29-B 30-B 31- A 32-B 33-A 34- B 35-C ... = mB - mA tan - Nu mB < mA tan thỡ lng kim loi A gim: gim lng: = mA tan - mB Trang 11 Cú : nCuSO4 p = 0,3 .1 0,3.0,5 = 0 ,15 mol Fe + CuSO4 FeSO4 + Cu 0 ,15 0 ,15 0 ,15 mol => mthanh Fe tng = ... 0,01v = 0, 04 => 20u + v = => u = v v = l cp nghim nht Vy Y l (Ala)2 (0,2 mol) Z l (Gly )4( Ala)3 (0, 01 mol) => %mY = 50,39% Banfileword.com B 2 017 MễN HểA HC THI TH THPT QUC GIA 2 017 THPT NGHI...