When 2.3×10^-5 g steric acid (M = 284) was placed on water as a surface film, the film could be comp — AITS & Test Series Chemistry Question

Question

When 2.3×10^-5 g steric acid (M = 284) was placed on water as a surface film, the film could be compressed to an area of 100 sq cm as a monomolecular layer. Find the cross-section of the acid molecule. (cm^2)