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Determine the mass percentage of carbon, C, hydrogen, H, and oxygen, O, in C6H8O7. Refer to the periodic table for the atomic mass of each element.

Respuesta :

I need help my self lol XD
WeMere

Answer:

C=37.5% H=4.2% O=58.3%

Explanation:

molar mass of element / molar weight of compound X 100% (for each element)

C mass = 12 x 6 = 72

H mass = 1 x 8 = 8

O mass =16x 7 = 112

Molar weight of compound = 192

72/192(100%)= 37.5% C

8/192(100%) = 4.2 % H

112/192 (100%) = 58.3% O