At normal temperature and pressure the number of molecules per cubicmeter of Benzine gas is 2.79 x 10 and the mean free path of their molecules is 2.2 \ast10 to the power - m. Find the diameter of a Benzine molecule.(B) 4.057 A(A) 6.057 A(D) 2.057 Å(C) 8.057 Å

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