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December 19, 2014

Homework Help: chemistry

Posted by rob on Wednesday, June 2, 2010 at 5:46pm.

The equation for burning C2H2 is
2C2H2(g) + 5O2(g) ⎯→ 4CO2(g) + 2H2O(g)
a. If 15.9 L C2H2 react at STP, how many
moles of CO2 are produced? (Hint: At
STP, 1 mol = 22.41 L for any gas.)
b. How many milliliters of CO2 (density =
1.977 g/L) can be made when 59.3 mL O2
(density = 1.429 g/L) react?

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