A 0.125-g sample of monoprotic acid of unknown molar mass is dissolved in water and titrated with 0.1003 M NaOH. The endpoint is reached after adding 20.77 mL of base. What is the molar mass of the unknown acid?

Question

A 0.125-g sample of monoprotic acid of unknown molar mass is dissolved in water and titrated with 0.1003 M NaOH.  The endpoint is reached after adding 20.77 mL of base.  What is the molar mass of the unknown acid?

bobpursley · Answer

Balance the reaction first, then procede as you did in the other. Monoprotic means Hx

Anonymous · Answer

.00003