Question

1)CaCO3+HCl=
2)NaSO4+BaCl2=
3)KCl+AgNO3=

Answer 1

$CaCO_{3}+2HCl=CaCl_{2}+H_{2}O+CO_{2}$

$NaSO_{4}+BaCl_{2}=BaSO_{4} +2NaCl$

$KCl+AgNO_{3} = KNO_{3} + AgCl$

Answer 2

спасибо большое