Răspuns :

m.NaOH = 80 kg

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niu = ? moli H2SO4 reactioneaza

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80kg          n kmoli

2NaOH + H2SO4 --> Na2SO4 + 2H2O

 2x40          1

=> n = 1x80/2x40 = 1 kmol H2SO4 = 1000 moli H2SO4