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Chemistry, 04.02.2021 01:00 tangia

Please help me. I'm terrible at chemistry. It's really easy! I will give free points if people answer right and brainliest!! Give the empirical formula that corresponds to each of the following molecular formulas.

sodium peroxide, Na2O2
terephthalic acid, C8H6O4
1,4-dichloro-2-butene, C4H6Cl2

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