A 1.272 g sample of a mix Na2CO3 and NaHCO3 vol of 0.24 N HCl required for PP end point 26.92 ml after the addition 52.21 ml more of the HCl and boilling out CO2 the vol of 0.12 NaoH required to give a pink colour to the soln = 4 ml

I'm having trouble following the question. Please rephrase, don't omit words, and please no abbreviations; e.g. I have no idea what PP end point is.