Question

Помогите решить
CaO + HCl = ?
$SO_{3} + H_{2}O =$?
SrO + $H_{2}O$ = ?
Ba + HNO

Answer 1

CaO+2HCl=CaCl2+H2O
SO3+H2O=H2SO4
SrO+H2O=Sr(OH)2
4Ba+10HNO3=4Ba(NO3)2+N2O+5H2O