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jek_recluse [69]
3 years ago
7

Without doing any calculations, list the elements in c2h4o2 in order of decreasing mass percent composition.

Chemistry
1 answer:
tia_tia [17]3 years ago
6 0
In <span>c2h4o2 there are
2 atoms of carbon
4 atoms of hydrogen
2 atoms of oxygen

Hydrogen atomic masses is 1 which was very low so 4 of them would still be the lowest mass percent. Then we have carbon and oxygen which both have 2 atoms. Oxygen atomic mass is more than carbon atomic mass, so oxygen should contribute more mass percent composition. The sequence from higher mass percent composition should be:
1. Oxygen
2. Carbon
3. Hydrogen</span>
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