Question

Giúp mk vs ạ, mk cảm ơn trc.

Answer 1

Mg+H2SO4->MgSO4+H2

0,1----0,1------0,1---------0,1

n Mg=0,1 mol

=>m MgSO4=0,1.120=12g

=>VH2=0,1.22,4=2,24l

=>m H2SO4=0,1.98=9,8g

=>mdd=98g