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andreyandreev [35.5K]
2 years ago
14

Does the following compound contain a polyatomic ion? CuCl2 * Yes No

Chemistry
1 answer:
Sonja [21]2 years ago
7 0

Answer:

the answer is no

Explanation:

I don't no

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Calculate the percentage mass of hydrogen in hydrochloric acid, HCI​
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Answer:

To find the mass percent of hydrogen in hydrogen chloride, we must divide the weight of the hydrogen atom alone by the weight of the entire molecule. Then we multiply by 100% to find the percentage. Thus, 2.77% of the mass of hydrogen chloride is hydrogen.

Explanation:

i hope you understand better

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