Consider the reaction below. H2PO4 + H2O
-
H30* + HPO 2-
Which of the following is a base-conjugate acid pair?
A. H2O and H20
B. H20 and H2PO4-
C. H2 PO4- and HPO 4 2-
D. H 2PO4- and H30+

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

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

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely