A sample of 0.15 of the compound [Pt(NH3)xBry]+z . z Br- , ignited and heated to decomposition produced 0.0502 gm of Pt. a second 0.15 gm sample was dissolved in water and titrated rapidly with 0.01 M AgNO3 solution. 51.50 ml was required to precipitate all the ionic bromide. A third 0.15 gm sample was heated for two hours on a steam bath in a solution to which 0.2 mole of AgNO3 has been added. This precipitated all the bromide (not just the free ionic Br ) as AgBr. The weight of the precipitate thus produced was 0.20 gm. Find x, y, and z.
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