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Calculate the volume of O_(2) at STP required to burn completely 70 ml of acetylene. |
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Answer» Solution :Combustion of acetylene is GIVEN as `2C_(2)H_(2)+5O_(2) to 4CO_(2)+2H_(2)O` 2 moles of `C_(2)H_(5)-="5 moles of "O_(2)` 2 VOLUME of `C_(2)H_(2)="5 volumes of "O_(2)` 2mL of `C_(2)H_(5)="5mL of "O_(2)` Volume of oxygen required to BURN 70mL of acetylene `=70 XX 5/2=175mL` |
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