assuming that the earths radius is 6378Km and that a molecule of a benzene may be treated as a disc of radius 300 pm , calculate the mass of benzene needed to create a chain of molecules around the equator?

assuming that the earths radius is 6378Km and that a molecule of a benzene may be treated as a disc of radius 300 pm , calculate the mass of benzene needed to create a chain of molecules around the equator?

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