a)nZn=m/M=6,5/65=0,1(mol)
PT: Zn + 2HCl -> ZnCl2 + H2
cứ: 1.............2...........1.........1 (mol)
vậy: 0,1----->0,2------->0,1-->0,1(mol)
b) VH2(đkc)=n.22,4=0,1.22,4=2,24(lít)
c) mZnCl2=n.M=0,1.136=13,6(g)
Đúng 0
Bình luận (0)