Ch 9 Section 1 Review Page 311 #4-5

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Ch 9 Section 1 Review
Page 311 #4-5
Br2 + Cl2  2 BrCl
• Page 311 #4a. How many moles of BrCl
form when 2.74 mol Cl2 react with excess
Br2?
Br2 + Cl2  2 BrCl
• Page 311 #4b. How many grams of BrCl
form when 239.7 g Cl2 react with excess
Br2?
Br2 + Cl2  2 BrCl
• Page 311 #4c. How many grams of Br2
are needed to react with 4.53 x 1025
molecules Cl2?
2C2H2(g) + 5O2(g)  4CO2(g) +
2H2O(g)
• Page 311 #5a. If 15.9 L C2H2 react at STP
(Standard Temperature and Pressure), how
many moles of CO2 are produced? (Hint:
At STP, 1 mole = 22.41 L for any gas.)
2C2H2(g) + 5O2(g)  4CO2(g) +
2H2O(g)
• Page 311 #5b. How many milliliters of
CO2 (density 1.977 g/L) can be made
when 59.3 mL O2 (density = 1.429g/L)
react?

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