When a diprotic acid is titrated with a strong base, and the Ka1 and Ka2 are significantly different, then the pH vs. volume plot of the titration will have A. two equivalence points below

B. no equivalence point

C. one equivalence point

D. a pH of 7 at the equivalence point

E. two distinct equivalence points.

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Can someone me with 6 to 10 plz this is for masteries test.