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

FREE Expert Solution
84% (82 ratings)
Problem Details

Determine the theoretical yield of K2CO3 when 0.392 moles of KO2 react with 29.0 L of CO2 (at STP - 0°C, 1 atm). The molar mass of KO 2 = 71.10 g/mol and K2CO3 = 138.21 g/mol.

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

a) 27.1 g

b) 179 g

c) 91.7 g

d) 206 g

e) 61.0 g 

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Standard Temperature and Pressure concept. You can view video lessons to learn Standard Temperature and Pressure. Or if you need more Standard Temperature and Pressure practice, you can also practice Standard Temperature and Pressure practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofDetermine the theoretical yield of K2CO3 when 0.392 moles of...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 7 minutes and 5 seconds to solve this problem. You can follow their steps in the video explanation above.