Which element is a nonmetal and makes up the largest percentage of the air? A hydrogen
C nitrogen
D neon
B oxygen

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.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

What happens to isotopes that are unstable?