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Lorico [155]
3 years ago
8

The percent composition of all elements in HClO3 is:

Chemistry
1 answer:
Artist 52 [7]3 years ago
7 0
The percent composition is defined by mass percent. So the calculation is through the atomic mass. The mass for H is 1, Cl is 35.5, O is 16. So the answer is B.
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