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massa=M.mr.v : 1000
massa = 0.5 . mrNaOH( Na= + O=16 + H=1) . 750 :1000
massa = (Na+17) . 0,375
massa=M.mr.v : 1000
massa = 0.5 . mrNaOH( Na= + O=16 + H=1) . 750 :1000
massa = (Na+17) . 0,375