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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 18:00
Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule
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Chemistry, 22.06.2019 20:30
Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
Answers: 1
Which of the following has the greatest mass? (Ar: N = 14, H = 1, O = 16, C = 12)
A 2 moles of wate...
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