Unknown hci 12 m ca(oh what is the concentration of the acid in this titration ? initial burette reading 0.0 ml 0.5 m final burette reading 45,5 ml 375 ml a 1.2 m b. 2.4 m c 1.95 m od. 0.98 m e. 1.98 m

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.