At a certain temperature the rate of this reaction is first order in épo with a rate constant of 3.47 s¯¹: 2H₂PO4 (aq) → P₂O5 (aq) + 3H₂O (aq) - Suppose a vessel contains í¸PO at a concentration of 0.920M. Calculate the concentration of H₂O in the vessel 0.400 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M x10

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