Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid (below). A solution is created by reacting 4.5 g of PCl5 (MW=208.2 g/mole) with  excess H2O.   How many moles of NaOH are needed to titrate the resulting solution to completion.   PCl5 + 4 H2O ----->5 HCl + H3PO4

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section: Chapter Questions
Problem 111GQ: One half liter (500. mL) of 2.50 M HCl is mixed with 250. mL of 3.75 M HCl. Assuming the total...
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Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric

acid (below). A solution is created by reacting 4.5 g of PCl5 (MW=208.2 g/mole) with 

excess H2O.

 

How many moles of NaOH are needed to titrate the resulting solution to completion.

 

PCl5 + 4 H2O ----->5 HCl + H3PO4

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