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(f) The so-called tolerance factor, t, for perovskites is defined by: where C is a constant, ra is the radius of ion A, rg is the radius of ion B and rx is the radius of ion X. The perovskite is most stable when H1. By making a reasonable assumption about the relative radii of the spheres, determine C. Show your working. [6 ma
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Gniuen ion x Radius pesiovukite most table nchen

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