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1. In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be
1. In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?2. Which of the following is a buffer? a. a solution containing HCl and NaCl b. a solution containing NaOH and NaCl c. a solution containing HC2H3O2 and NaC2H3O2 d. all of the above3. Which of the following buffers will have the lowest pH? a. a solution containing 0.20 M HC2H3O2 and 0.20 M NaC2H3O2 b. a solution containing 0.25 M HC2H3O2 and 0.15 M NaC2H3O2 c. a solution containing 0.15 M HC2H3O2 and 0.25 M NaC2H3O2 d. they all have the same pH
