3Cs2CO3 + 24Na2MoO4 + 2Na2HPO4 + 52HCl → 2Cs3[PMo12O40] + 3CO2 + 52NaCl + 27H2O
Cesium carbonate react with sodium molybdate, sodium hydrophosphate and hydrogen chloride to produce phosphododekacesium molybdate, carbon dioxide, sodium chloride and water. Hydrogen chloride - concentrated solution.