the reaction taking place is:
KHP + CsOH ==> H2O + CsK2P2
molar mass of KHC8H4O4 = 204.44 g/mol
number of moles of KHC8H4O4 = mass / molar mass
                                                    Â
= 0.7292/204.44
                                                     Â
= 3.567 *10^-3 mol
number of moles of CsOH should equal number of moles of
KHC8H4O4
number of moles of CsOH = 3.567 *10^-3 mol
number of moles of CsOH = 3.567 *10^-3
M*V = 3.567 *10^-3
M*0.03461 L = 3.567 *10^-3
M= 0.1031 M
Answer: 0.1031 M