Answer:
1.78 × 10⁻⁷ cm
Explanation:
Using,
Density = Mass / Volume
Given:
Area = 20.0 cm²
Density = 0.895 g/mL
Mass = 3.19 × 10⁻⁶ g
Applying in the density formula as:
0.895 g/mL = 3.19 × 10⁻⁶ g / Volume (ml)
Volume = 3.56 × 10⁻⁶ mL
Since, 1 mL = cm³
So, Volume = 3.56 × 10⁻⁶ cm³
Thickness (height) of monolayer = ?
Also, Volume = area x thickness
So,
Thickness = Volume/Area = 3.56 × 10⁻⁶ cm³ / 20.0 cm² = 1.78 × 10⁻⁷ cm
