1. Which statement about Ka is true?
a.) It represents a proton concentration at which 50% of the titratable group is in the acid form and 50% is in the base form.
b.) If the proton concentration is less than the Ka, more than 50% of the titratable groups are protonated.
c.) If the proton concentration is greater than the Ka, more than 50% of the titratable groups are unprotonated.
d.) If the proton concentration is less than the Ka, more than 50% of the titratable groups are in the acid form.
e.) All of the above are true
2. If you compare D-galactose to L-galactose, all groups attached to the carbon skeleton of the D-galactose are on the opposite side compared to L-galactose.a.) True b.) False