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120 g of an organic compound that contai...

120 g of an organic compound that contains only carbon and hydrogen gives 330 g of `CO_2` and 270 g of water on complete combustion. The percentage of carbon and hydrogen, respectively are

A

25 and 75

B

40 and 60

C

60 and 40

D

75 and 25

Text Solution

AI Generated Solution

To find the percentage of carbon and hydrogen in the organic compound, we can follow these steps: ### Step 1: Calculate the mass of carbon from CO₂ produced The mass of carbon in the organic compound can be determined from the mass of carbon dioxide (CO₂) produced during combustion. The molar mass of CO₂ is approximately 44 g/mol, and each mole of CO₂ contains one mole of carbon (C), which has a molar mass of about 12 g/mol. Given: - Mass of CO₂ produced = 330 g ...
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Knowledge Check

  • 0.5g of hydrocarbone gave 0.9 g water on combustion . The percentage of carbon in hydrocarbon is

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