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Calculate the volume of air containing 21% oxygen by volume at STP, required in order to convert 294 cm3 of sulphur dioxide to sulphur trioxide under the same conditions.

Calculate the volume of air containing 21% oxygen by volume at STP, required in order to convert 294 cm3 of sulphur dioxide to sulphur trioxide under the same conditions.

Grade:10

1 Answers

Apptica Corporations
37 Points
10 years ago
I considered oxygen as O2 not O. SO2+ half O2 ------> SO3 22.4 l requires 11.2 l oxygen gas 294 cc will require 147 cc of O2 gas let air volume= x cm cube 0.21*x=147 x=700 cm cube If the answer is not what you want then consider O2 as O atoms and solve

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