Bán Hóa chất NaH2PO4.H2O PA - 106346 - Merck chất lượng ở hcm
NaOH + H3PO4 → NaH2PO4 + H2O In the given reaction, the equivalent weight of H3PO4 is M/3 .
SOLVED: Weigh out 10.4 g sodium phosphate (NaH2PO4.H2O, MW = 138 g/mol). Dissolve the NaH2PO4.H2O in 450 mL water. Bring pH of solution to 7.4 with 10 M NaOH (need about 2