Help dont understand

Question

Complete and balance each of the following equations for acid-base reactions.

Part A.

HCl(aq)+Ba(OH)2(aq)→

Part B.

H2SO4(aq)+KOH(aq)→

Part C.

HClO4(aq)+NaOH(aq)→

Answer 1

Part A.

2HCl(aq)+Ba(OH)2(aq)→ 2H2O + BaCl₂

Part B.

H2SO4(aq)+2KOH(aq)→2H2O + K₂SO₄

Part C.

HClO4(aq)+NaOH(aq)→H2O + NaHClO4