1) 3NaOH + Al(NO3)3 = 3NaNO3 + Al(OH)3
3NaOH + FeBr3 = 3NaBr + Fe(OH)3
2NaOH + CuCl2 = 2NaCl + Cu(OH)2
2) H2SO4 + BaCl2 = 2HCl + BaSO4
H2SO4 + CaBr2 = 2HBr + CaSO4
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Answers & Comments
1) 3NaOH + Al(NO3)3 = 3NaNO3 + Al(OH)3
3NaOH + FeBr3 = 3NaBr + Fe(OH)3
2NaOH + CuCl2 = 2NaCl + Cu(OH)2
2) H2SO4 + BaCl2 = 2HCl + BaSO4
H2SO4 + CaBr2 = 2HBr + CaSO4