abrahamcalderon2 abrahamcalderon2

05-02-2020
Chemistry

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How many grams of O2 are required for the complete reaction of 45.0g of CH4 to form CO2 and H2O?

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ednorobello92 ednorobello92

05-02-2020

Answer: 90 g O2

Explanation: soution attached:

Balance first the chemical equation

CH4 + O2 => CO2 +2H2O

Convert mass of CH4 to moles

Use the mole ratio of CH4 and O2 from the balanced equation.

Convert moles of O2 to mass using the molar mass of O2.

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