Explain, in terms of intermolecular forces, why ethane nitrile and hexane are not miscible.

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

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