Exactly 75.00 mL of a 0.3132 M solution of Na 2 SO 3 is treated with 150.0

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Exactly 75.00 mL of a 0.3132 M solution of Na2SO3 is treated with 150.0 mL of 0.4025 M HClO4 and boiled to remove the SO2 formed.
(a) What is the mass in grams of SO2 that is evolved?
(b) What is the concentration of the unreacted reagent (Na2SO3 or HClO4) after the reaction is complete?

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Fundamentals Of Analytical Chemistry

ISBN: 9780357450390

10th Edition

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

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