In this chapter, when calculating empirical formulas, you'll be making mole ratios. Then, you will need to be able to recognize that 0.5 is , 0.33 is about1/3 etc. Which of the following is the one INcorrect improper fraction from the decimal number written? Note that decimal answers were rounded to the hundredths place so that is not part of the "incorrect" answer you are looking for. 3.5=7/2, 1.33=4/3 2.75=10/4, 2.67=8/3 2.25=9/4