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docker41 [41]
3 years ago
12

Use the following steps to balance the redox reaction below:

Chemistry
1 answer:
wel3 years ago
6 0

Answer:

(a)

Oxidation

Na -> Na+  +  e

Reduction

Cu2+   + 2e -> Cu

(b) Just multiply oxidation half-reaction by 2 and reduction half-reaction by 1.

2Na -> 2Na+  + 2e

Cu2+  + 2e -> Cu

(c) 2Na + Cu2+ -> 2Na+  +  Cu (2e cancels each other)

Please be reminded, this answer may not be correct.

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3 years ago
A 3.8-mol sample of KClO3 was decomposed according to the equation. How many moles of O2 are formed assuming 100% yield?
kari74 [83]

Answer:

5.7 moles of O2

Explanation:

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2 moles of KClO3 decomposed to produce 3 moles of O2.

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From the balanced equation above,

2 moles of KClO3 decomposed to produce 3 moles of O2.

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