J.R. S. answered 11/04/21
Ph.D. University Professor with 10+ years Tutoring Experience
aluminum nitrate = Al(NO3)3
sodium hydroxide = NaOH
Al(NO3)3(aq) + 3NaOH(aq) ==> Al(OH)3(s) + 3NaNO3(aq) ... balanced molecular equation
Al3+(aq) + 3NO3-(aq) + 3Na+(aq) + 3OH-(aq) => Al(OH)3(s) + 3Na+(aq) + 3NO3-(aq) ... complete balanced ionic equation
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BONUS
Al3+(aq) + 3OH-(aq) ==> Al(OH)3(s) ... balanced net ionic equation