Question

已知NaCl+H2SO4生成NaHSO4+HCL,现有117gNaCl晶体和足量的浓H2SO4完全反应

Answer 1

NaCl+H2SO4==△==NaHSO4+HCl↑

58.5 1

117 n

58.5/117=1/n

n=2mol

V(HCl)=22.4*2=44.8L

(2)m(HCl)=36.5*2=73g

m(溶液)=100+73=173g

V(溶液)=173/1.18=146.6ml=0.147L

n(HCl)=2/0.147=13.6mol/L