24. Upon titration, a mixture of weak acid and another weak acid whose Ka values are not too different will provide how many equivalenees point break? a. 3 b. 2 c. 1 d. none 25. What is the molar concentration of a 10.00mL of a monoprotic acid that is neutralized by 200.0mg of Na2CO3 (105.99)? a. None of the choices c. 0.7540M b. 0.3774M d. 0.1887M 26. A 1.05-gram sample of butter is refluxed with ethanolic KOH and required 10.4mL of 0.1875MHCl to reach the phenolphthalein end point. If blank determination required 0.7mL of the same standard acid, calculate the saponification value. Calculate the saponification number. a. 97.17 b. 65 c. 83 d. 45