Na + H2SO4 = Na2SO4 + H2 (2:1:1:1K + H2O = KOH + H2 (2:2:2:1X + 2H2O = Na2SO4 + 4H2 (1:4:1:4CuSO4 + 2H2O = Cu(OH)2 + 2H2 (1:2:1:2)
Na + H2SO4 = Na2SO4 + H2 (2:1:1:1
K + H2O = KOH + H2 (2:2:2:1
X + 2H2O = Na2SO4 + 4H2 (1:4:1:4
CuSO4 + 2H2O = Cu(OH)2 + 2H2 (1:2:1:2)