CH102 Postlab 04 Qualitative Analysis

CH102 Postlab 04 Qualitative Analysis - CH102 Postlab 04...

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CH102 Postlab 04 Qualitative Analysis http://www.webassign.net/v4cgiracollin@ncsu/student.pl?f=200511. .. 1 of 4 11/15/2005 9:53 PM WebAssign.net Tuesday, November 15, 2005 09:53 PM EST Logged in as racollin@ncsu. Logout Home | My Assignments | Grades | Communication | Calendar Guide | Help | My Options Home > My Assignments > CH102 Postlab 04 Qualitative Analysis (Postlab) COLLINS RYAN ALAN CH 102, section 051, Fall 2005 Instructor: robert wilcox TA North Carolina State University About this Assignment Due: Friday, September 23, 2005 11:00 PM EDT Current Score: 25 out of 25 Question Score Submissions Made: 5 out of 5 pts 1 -/2.50 2 -/2.50 3 -/2.50 View: All Responses Notes 1. Remember your Solubility Rules and your results from the Solubility Rules lab when answering this question. The qualitative analysis experiment you did is actually the first stage of a much larger analysis scheme in which at least 14 different ions are separated and identified. a. If you had already removed Ag 1+ , Hg 2 2+ , and Pb 2+ by adding HCl, which of the following ions could you separate (as a group) with H 2 SO 4 ? [x] [x] Ca 2+ [_] [_] K 1+ [_] [_] Cu 2+ [_] [_] Al 3+ [x] [x] Ba 2+ [x] [x] Sr 2+ [_] [_] NH 4 1+ [_] [_] Fe 3+ b. If you had already removed Ag
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CH102 Postlab 04 Qualitative Analysis - CH102 Postlab 04...

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