Question

this table provides a wet coal atomic composition. per the footnote beneath the table, wet coal contains 10.5 wt% water, and the H and O wt% include both coal and water. Using this information, find the dry coal atomic composition.

element	C	O	H	S	N	Ash
weight %	52.5	18.3	4.8	0.6	1.2	22.6

*The coal contains 10.5% moisture. The hydrogen and oxygen percentages given here include the masses of these elements in the coal moisture.

Answer 1