I want to make a solution that has 58 SiO2 - 33% CaO - 9% P2O5 (all in molar %). If i want to make 30g of the solution how much should I use? I can't really make the calculations to get the results I need.
I think you have misunderstood the procedure. You don't make a solution containing those compounds in those proportions. The paper indicates that the final composition contained Si, Ca, P with the molar composition expressed as oxides. The synthesis is sequential. The Si comes from the TES, the Ca from the Ca(NO3)2.4H2O and the P from the TEP. The final composition (as oxides) tells you the approximate molar ratios of the starting materials to use. Note that the molar fraction of the P2O5 will be half that of TEP since P2O5 has two P atoms whereas TEP only has one.
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