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tatyana61 [14]
3 years ago
11

(image attached)

Chemistry
2 answers:
Naily [24]3 years ago
8 0

Answer:

D) He did not multiply the chlorine and oxygen atoms by the coefficient 4.

Explanation:

The coefficient 4 at the beginning of the chemical formula indicates that there are four Ca(ClO3)2 molecules. Think of this as Ca(ClO3)2 × 4. This means that he had to multiply the number of atoms for each element by 4 as well, so he should've ended up with 4 total calcium atoms (which is correct), 8 total chlorine atoms, and and 24 total oxygen atoms. He did not get all these answers because he didn't multiply the chlorine and oxygen atoms by the coefficient 4.

NARA [144]3 years ago
4 0

Answer:

D) He did not multiply the chlorine and oxygen atoms by the coefficient 4.

Explanation:

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