What amount of sulfuric acid substance is obtained by dissolving 6.4 g of sulfur (VI) oxide in water?

1) Find the number of moles of sulfur oxide, molecular weight M (SO3) = 80 g / mol, n (SO3) = 6.4 / 80 = 0.08 mol;
2) The number of moles of sulfuric acid: n (H2SO4) = n (SO3) = 0.08 mol (the reaction was complete)
Answer: 0.08 mol



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