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A sample of coal has the following composition by mass Carbon 6 0 % , Hydrogen 1 0 % , Oxygen 1 5 % ,

A sample of coal has the following composition by mass Carbon

60 %,

Hydrogen

10 %,

Oxygen

15 %,

Nitrogen

4.5 %,

Sulphur

3.5 %

and remaining is ash. Calculate H

.

.

.

and L

.

.

.

of per Kg

.

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