Which mass of O2 is used for the complete combustion of 23.6 g methane, CH4 to co2 and h2o؟

which mass of O2 is used for the complete combustion of 23.6 g methane, CH4 to co2 and h2o؟

1- 35.0 g

2- 47.2 g

3-17.5 g

4- 23.3 g

5-93.3 g

6- 46.7

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