足够的锌片加入10mL 0.0lmol/L稀H2SO4中,标况下H2体积?

问题描述:

足够的锌片加入10mL 0.0lmol/L稀H2SO4中,标况下H2体积?

V=22.4*10*0.01=2.24mL

H2SO4-H2;
n(H2)=n(H2SO4)=0.01×0.01=10^-4mol;
V=nVm=22.4×10^-4=2.24×10^-3L=2.24ml;