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insens350 [35]
2 years ago
5

Substance A and Substance B undergo a chemical reaction to form substance C. What type of substance is A?

Chemistry
1 answer:
Korolek [52]2 years ago
8 0

Answer:

A would just be an element i think

Explanation:

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Anon25 [30]
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3 years ago
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Select the correct answer.
Elina [12.6K]

Answer:

CU

Explanation:

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4 0
2 years ago
2) what is the mass of 6.02 x 1023 atoms of arsenic?
zzz [600]
Data:
Arsenic Molar Mass = 74,9216 ≈ 75 u (<span>atomic mass unit)</span>

Solving:

1 mole of arsenic → 75g ------------ 6,02*10²³ molecules
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6 0
3 years ago
When electrolyzing copper (ll) chloride, what reaction takes place at the anode? What reaction takes place at the cathode?
klemol [59]

Answer:

Copper ions are reduced into copper atoms.

Cu²⁺₍aq₎ + 2e⁻ →  Cu₍s₎

Explanation:

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At cathode, copper ions are preferentially discharged due to the low electromotive force required to discharge them compared to the hydrogen ion. The copper ions gain the two electrons lost by the chloride ions when the are discharged. (2 Cl⁻₍aq₎ → Cl₂₍g₎ + 2e⁻)

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Cu²⁺₍aq₎ + 2e⁻ →  Cu₍s₎

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3 years ago
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Answer:

2.02

Explanation:

5 0
3 years ago
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