Calculate the concentration of acetic acid in a buffer solution made from 3.00 ml of 0.50 m acetic acid and 7.00 ml of 0.50 sodium acetate.

Explanation:

The given data is as follows.

      = 0.50 M,   = 3.00 ml

      = 7.00 ml,      

Therefore, calculate the total volume as follows.

             Total volume =

                                    = 3.00 ml + 7.00 ml

                                    = 10.0 ml

Now, calculate the no. of moles of acetic acid as follows.

No. of moles of acetic acid = molarity × volume in mL

                                              = 3.0 × 0.50

                                              = 1.5 mmoles

                                              = moles

(As 1 mole = 0.001 mmol)

Therefore, calculate the concentration of acetic acid as follows.

Concentration of the acetic acid =

                                       =

                                      = 0.15 M

Thus, we can conclude that the concentration of acetic acid in buffer solution is 0.15 M.

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i would say b

explanation:

but i think i would need more information than that