nHCl = 406/22.4 = 18.125 mol
=> mHCl = 661.5625 g
mdd = 1000 + 661.5625 = 1661.5625 g
C%HCl = 661.5625/1661.5625 * 100% = 39.8%
n HCl=406/22,4=18,125(mol)
m HCl=18,125.36,5=661,5625(g)
m dd=0,1.1000.1=100(g)
C% =\(\frac{661,5625.100}{100}=??\)
Đề hơi sai nhỉ??