Problem: Determine the theoretical yield of K 2CO3 when 0.392 moles of KO 2 react with 29.0 L CO2 (at STP – 0°C, 1 atm). The molar mass of KO 2 = 71.10 g/mol and K 2CO3 = 138.21 g/mol. 4KO2(s) + 2CO2(g) → 2K2CO3(s) + 3O2(g)   a. 27.1 g b. 179 g c. 91.7 g d. 206 g e. 61.0 g

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Determine the theoretical yield of K 2CO3 when 0.392 moles of KO 2 react with 29.0 L CO2 (at STP – 0°C, 1 atm). The molar mass of KO 2 = 71.10 g/mol and K 2CO3 = 138.21 g/mol.

4KO2(s) + 2CO2(g) → 2K2CO3(s) + 3O2(g)

a. 27.1 g

b. 179 g

c. 91.7 g

d. 206 g

e. 61.0 g

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