haile meka

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NaOH + H2SO4 = Na2SO4 + 2H2O Step1, 2NaOH + H2SO4 = Na2SO4 + 2H2O step2, 2NaOH = x above the formula H2SO4 = 50 g above the formula step3, 2NaOH = 80 g under the formula H2SO4 = 98 g under the formula step,4 x/80g =50g/98g then =x98g/98g =80g.50g/98g x= 4...