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in Chemistry by (55.9k points)
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0.5 g of fuming H2SO4 is diluted with water the solution requires 26.7 mL of 0.4 N NaOH for its neutralization. Find the % of free SO3 in the sample of oleum?

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1 Answer

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by (54.4k points)

Correct answer is % of SO3 = 20.78%

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