Which statement best describes the use of a chemical indicator in a titration? A. It must be measured to the nearest 0.01 mL.

B. It must be colored in the acid solution.

C. It must measure pH directly at all pH values.

D. It must change color near the equivalence point.​

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Explain what happens at the saturation point when adding salt to water at room temperature.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene