Na2SO3Na2SO3 reacts with HClO4HClO4 according to the reaction   Na2SO3(aq)+2HClO4(aq)⟶2NaClO4(aq)+H2O(l)+SO2(g)Na2SO3(aq)+2HClO4(aq)⟶2NaClO4(aq)+H2O(l)+SO2(g)   You wish to provide a 50% excess of 6.866.86 wt% aqueous HClO4HClO4 to react with 30.030.0 mL of 0.05870.0587 M Na2SO3Na2SO3. Calculate the mass of the 6.866.86 wt% aqueous HClO4HClO4 solution required to provide the 50% excess. mass:   g

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