57. Solving a chemistry problem
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5. For titration of a solution obtained by diluting 1.0 cm3 of sulfuric acid with a density of 1.716 g/cm3, 49 cm3 of a NaOH solution with a sodium hydroxide titer of sulfuric acid TNaOH / H2SO4 = 0.04965 g/cm3 is consumed. What percentage of SO3 is in the sample?
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