Caffeine = C8H10N4O2

FORMULA WT: 194.19

It is made up of covelant bonds

MELTING POINT: 237 C ( 459 F)

APPEARANCE & ODOR: WHITE ODORLESS POWDER OR CRYSTALS.

The average American consumes 200 mg of Caffeine daily!

Percent composition by mass

ELEMENT

PERCENT COMPOSITION
Carbon  12(8)= 96 grams     96/194= .4948 x100 49.5%
Hydrogen  1(10)= 10 grams     10/194= .052 x100 5.2%
Nitrogen   14(4)= 56 grams     56/194= .289 x100 28.9%
Oxygen      16(2)= 32 grams     32/194= .165 x100

16.5%

Percent composition by number

ELEMENT PERCENT COMPOSITION
Carbon            8/24 = .33 x 100= 33% 33%
Hydrogen      10/ 24 = .416 x 100= 41.6% 41.6%
Nitrogen         4/24 = .167x 100= 16.7% 16.7%
Oxygen            2/24 = .083 x 100= 8.3%

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