Four MeCN solutions were made up containing AgNO₃ and PPh₃ in molar ratios of 1 : 1, 1 : 2, 1 : 3 and 1 : 4, respectively. ESI mass spectra (positive mode) of the solutions were recorded, and the data are tabulated below. Account for the data, including the differences between the spectra. Comment on the isotope patterns that you expect to see for each peak (see Appendix 5).

Data from Appendix 5

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m/z 369 410 633 802 893 1064 Relative intensities (%) for different ratios AgNO3: PPh3 1:3 0 0 1:1 42 100 20 11 1 2 1:2 32 89 100 2 3 نیا 4 100 0 22 0 1:4 0 0 100 0 22 0