Answered: Use the balanced equation to answer the…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 6PS: A 0.20 mol sample of magnesium burns in air to form 0.20 mol of solid MgO. What amount (moles) of...

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Use the balanced equation to answer the question follows. 2C2H6(g)+5O2(g) -----> 4CO(g)+6H2O(g) to calculate how many moles of O2 are needed to react completely with 1.6 moles of C2H6?

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Conversion factors.
2.) 2 C₂ H₂(g) +50₂(g) → 4 (0(g) +6₂ H₂O(g)
quantity
1.6 moles of C₂tl₂
Units desired
moles of 0₂
Conversion factors

Quantity
Units desired
100.0g C₂H₂px Imole C₂H6x 4 moles Co₂x 449 CO₂
30g Czty Zmote Catto
Imole (0₂
Conversion factors
2 mole. C₂tt₂ = 4 moles CO₂ (from equation)
i mole C₂H₂ = 30g C₂H₁ (from molecular weight
Imole CO₂ = 44g CO₂₂ (from molecular weight of
CO₂)
CI
293902 +31

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