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2014-05-12T20:47:07+03:00
NaOH - soda caustica
nr molio NaOH = masa NaOH/masa molara NaOH = 480/40=12 moli NaOH

A brom = 80
nr moli Br = masa Br/masa atomica Br = 320/80 = 40 moli Br
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