Question: A Coal Sample Gave The Following Analysis By Weight, Carbon 66.9 Per Cent, Hydrogen 6.58 Per Cent, Oxygen 8.77 Per Cent,... A coal sample gave the following analysis by weight, Carbon 66.9 per cent, Hydrogen 6.58 per cent, Oxygen 8.77 per cent, the remainder being incombustible. For 20% excess air , determine actual weight of air required per kg of coal.
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