Compound name Formula xH2O M [g/mol] C (g/L) Weight Unit Measured weight Batch Number Add Ammonium sulfate (NH4)2SO4 0 132.14 1 1.000 g Disodium hydrogen phosphate Na2HPO4 12 141.96 3.5 8.830 g Potassium dihydrogen phosphate KH2PO4 0 136.086 1.5 1.500 g …