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Hi I need big help please on science

Hi I need big help please on science-example-1

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Answer:

1. Calcium oxide contains 1 calcium and one oxygen.

2. Hydrogen peroxide contains 2 hydrogens and 2 oxygens.

3. Methane contains 1 carbon and 4 hydrogens.

4. Ammonia contains 1 nitrogen and 3 hydrogens.

5. Ammonium carbonate contains 2 nitrogens, 8 hydrogens, 1 carbon, and 3 oxygens.

6. Aluminum sulfate contains 3 sulfates and 12 oxygens.

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