How many grams are there in 3.30 x 1023 molecules of N2I6?
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Answer:
1mole N2I6 = 789.44022g N2I6
1mole N2I6 = 6.022 x 1023 molecules N2I6
1) Convert molecules to moles.
3.3 x 1023 molecules N2I6 x (1mol N2I6/6.022 x 1023 molecules N2I6) = 0.55mol* N2I6
* Rounded to two significant figures.
2) Convert moles to mass in grams.
0.55mol N2I6 x (789.44022g N2I6/1mol N2I6 = 430g* N2I6
*Rounded to two significant figures.
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