Question

1 g of charcoal having surface area 3.02 x 10^2m² is mixed in 100 ml of 0.5 M acetic acid solution; after few times concentrations of solution becomes 0.49M . what will be surface area occupied one molecule of acetic acid ?
(1 2 x 10^-19 m²
(2) 5 x 10^-19 m²
13 6 x 10^20m
(3) 6 x 10^20 m²
(4) 10^-3 m²
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Answer 1

Answer:

option 2 is the answer. for the question