0.27 g of a long chain fatty acid was dissolved in `100cm^(3)` of hexane. `10ml` of this solution was added dropwise to the surface of water in a round watch glass . Hexane evaporates and a monolayeer is formed. The distance from edge to center of the watch glass is `10 cm` . What is the height of the monolayers? `["Density of fatty acid "=0.9 g cm^(-3),pi=3]`
A
`10^(-6)`m
B
`10^(-8)`
C
`10^(-2)`m
D
`10^(-4)`m
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The correct Answer is:
A
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