3) Garnet typically has the chemical formula: (Fe+, Mg+, Ca+, Mn+)3 AP2Si** 3012 The formula can...
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3) Garnet typically has the chemical formula: (Fe²+, Mg²+, Ca²+, Mn²+)3 AP³2Si** 3012 The formula can be broken up into structural sites (spaces where cations of a certain size range can occupy) X3Y2Z3012 where the X-site is coordinated with 8 oxygen anions, the Y-site is coordinated with 6 oxygen anions, and the Z-site is coordinated with 4 oxygen anions. Using the table of ionic radii (see handouts), calculate (show your work) the predicted coordination number (CN) relative to O² for each cation in the garnet formula. How do the calculated CNS compare to those for real garnet? Explain why they are the same or different. 3) Garnet typically has the chemical formula: (Fe²+, Mg²+, Ca²+, Mn²+)3 AP³2Si** 3012 The formula can be broken up into structural sites (spaces where cations of a certain size range can occupy) X3Y2Z3012 where the X-site is coordinated with 8 oxygen anions, the Y-site is coordinated with 6 oxygen anions, and the Z-site is coordinated with 4 oxygen anions. Using the table of ionic radii (see handouts), calculate (show your work) the predicted coordination number (CN) relative to O² for each cation in the garnet formula. How do the calculated CNS compare to those for real garnet? Explain why they are the same or different.
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Element Ionic Radius in Ar ionic radius ratio rrO2 02 r02132 rrO2 100 i ZSi4 rZ 030 rZrO2 ... View the full answer
Related Book For
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781118947463
6th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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