0.3g of an organic compound gave on combustion gave 0.54g. of water. calculate the percentage of hydrogen in it.
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Given:
The mass of the organic compound, W = 0.3 gm
The mass of water formed = 0.54 gm
To Find:
The percentage of hydrogen in the salt.
Calculation:
- The mass of hydrogen in 18 gm of water = 2 gm
⇒ The mass of hydrogen in 0.54 gm of water = (2/18) × 0.54
⇒ w = 0.06 gm
- The percentage of hydrogen = (w/W) × 100
⇒ % of hydrogen = (0.06/0.3) × 100
⇒ % of hydrogen = 20 %
- So, the percentage of hydrogen in the given organic compound is 20%.
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