Es la composición centesimal del ácido butírico C4H8O2

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

What conclusion can you draw from this experiment about the components of the black ink?