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power point & assignments - 0.15 M NH 3 . What is the...

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Complex Ion Equilibria [Zn(H 2 O) 4 ] 2+  + 4 NH 3   [Zn ( NH 3 ) 4 ] 2+  + 4 H 2 K f (Sample problem 19.13) 50.0 mL of 0.0020 M Zn(NO 3 ) 2  is mixed with 25.0 mL of  0.15 M NH 3 . What is the final concentration of  [Zn(H 2 O) 4 ] 2+ K f  for [Zn(NH 3 ) 4 ] 2+  is 7.8 x 10 8 .
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Complex Ion Equilibria mix react net [Zn(H 2 O) 4 ] 2+  + 4 NH 3   [Zn ( NH 3 ) 4 ] 2+  + 4 H 2 K f I      0 0.045 M         0.001 M (Sample problem 19.13) 50.0 mL of 0.0020 M Zn(NO 3 ) 2  is mixed with 25.0 mL of 
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Unformatted text preview: 0.15 M NH 3 . What is the final concentration of [Zn(H 2 O) 4 ] 2+ ? 2+ 8 Complex Ion Equilibria I 0.045 M 0.0013 M--C E K f = = (0.0013 M - x ) x (0.045 M + 4x ) 4 7.8 x 10 8 (0.0013) / (0.045 4 * 7.8 x 10 8 ) x x [Zn(H 2 O) 4 ] 2+ + 4 NH 3 [Zn ( NH 3 ) 4 ] 2+ + 4 H 2 O K f...
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This note was uploaded on 09/23/2011 for the course CHEM 215 taught by Professor Staff during the Spring '11 term at S.F. State.

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power point & assignments - 0.15 M NH 3 . What is the...

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