Part E In part E, you'll use your answers from parts B, C, and D to find the
average density of each type of penny. Recall that density is mass
divided by volume:
D =
Question 1
Calculate the average density of a penny (in g/mL) made before 1982.
Show your work.

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity