Hw6due022210 - (1 Calculate the pH of a 0.2 M H 3 PO 4(aq solution What is the value of[PO 4 3 at equilibrium(Necessary K a values are in the

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Due Monday February 22 Prof. William Casey Name_________________________________________ Chemistry 2B, Winter 2010 Student ID Number______________________ Homework 6 Lab TA Name and Time______________________ Instructions: Show all of your work in addition to your answer to the following questions on a separate piece of paper. Put your name on this and all pages, staple your work to this page, and turn it in to your TA’s mailbox by 5 PM on Monday
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Unformatted text preview: February 22, 2010 . (1) Calculate the pH of a 0.2 M H 3 PO 4 (aq) solution. What is the value of [PO 4 3 ] at equilibrium? (Necessary K a values are in the text) (2) Calculate the pH of a 0.5 M NH 4 Cl(aq) solution given that K b = 1.8 x 10 5 for NH 3 (aq). (3) Calculate the pH of a 1 x 10 8 M HCl(aq) solution....
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This note was uploaded on 06/13/2010 for the course CHEM 995940767 taught by Professor Topadakis during the Spring '10 term at UC Davis.

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