<span><span><span><span>2Al(OH)3=Al2O3+3H2O</span></span></span></span>
<span><span><span><span><span>
</span></span></span></span></span>
<span><span><span><span><span>Al2O3+3H2SO4=Al2(SO4)3+3H2O</span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span>Al2O3 + 6H(+) + 3SO4(2-) = 2Al(3+) + 3SO4(2-)+3H2O</span></span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al2O3 + 6H(+)</span></span></span></span></span></span></span></span></span></span> =<span><span><span><span><span><span><span><span><span><span> 2Al(3+) + <span><span><span><span><span><span><span><span><span><span>3H2O</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
</span></span></span></span></span>
<span><span><span><span><span><span> </span></span></span></span></span></span>
<span><span><span><span><span><span>Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4</span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>2Al(3+) + 3SO4(2-)</span></span></span></span></span></span></span></span></span></span> +6Na(+) +6OH(-) = <span><span><span><span><span><span>2 Al(OH)3 + <span><span><span><span><span><span>+6Na(+) <span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>+ 3SO4(2-)</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al(3+)</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> + 3<span><span><span><span><span><span>OH(-)</span></span></span></span></span></span> =<span><span><span><span><span><span><span><span><span><span><span><span> Al(OH)3 </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span>
</span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span>Al(OH)3</span></span></span></span></span></span> +3HNO3 = Al(NO3)3 +3H2O</span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al(OH)3</span></span></span></span></span></span> +3H(+) +3 NO3(-) = <span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al(3+) + <span><span><span><span><span><span><span><span><span><span><span><span>3 NO3(-)<span><span><span><span><span><span>+3H2O</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al(OH)3</span></span></span></span></span></span> +3H(+)<span><span><span><span><span><span><span><span><span><span><span><span> = <span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>Al(3+) + <span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span>3H2O</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>