10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length?
(1) 2.0 nm
(2) 0.1 nm
(3) 2.0 pm
(4) 1.0 pm
Correct option (3) 2.0 pm
Explanation:
