Calculating Amounts

Question 1

how do you calculate concentration of X in mol/l

Answer 1

absorbance of X at X (on front page) / molar absorptivity

Question 2

how do you calculate amount of X in moles?

Answer 2

assumed concentration x 0.05 / 1000

Question 3

how do you calculate amount of X in micro moles?

Answer 3

assumed amount x 10E+6 (10^-6)

Question 4

how do you calculate activity of X in micro moles/min/micromole?

Answer 4

assumed change of X (pn) / amount added