Which of the following is the last step in performing a titration
1) finding out which ph indicatorworks
2) determining the concentration of an unknown base
3) finding the number of moles of a product produced in a reaction
4) determining the molecular masses of the products in the reaction

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Why does asexual reproduction result in offspring with identicle genetic variation

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound