Which of the following was the dependent variable? a. Fertilizer
b. Time
c. Kind of seeds
d. Number of seeds that germinated

What semimetal can form four single covalent bonds.

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

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