A solid compound, of general formula M . n(CH3OH), with MW(M) = 790.48 g/mol, is heated and the TGA analyses show the first decomposition between 50 and 80 °C correspondings to a loss of 10.83% (CH3OH). 

Determine “n”, the number of moles of CH3OH.

 The compound, whose formula is PtCl2P2CyHz. nCH3OH was analyzed with Elemental Analyses, providing the following results: C% = 52.79; H% = 4.74. 

Determine y and z. 

Draw the structure of this complex knowing that it is a Pt(II) square planar complexes with two phosphines and two Cl in trans position.