What is the mass of 8. 65 x 10^23 molecules of n2cl4.

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?

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What does it mean when the bisecyer of the photosynthesis of the root of 27 equals 3