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Musya8 [376]
2 years ago
9

Can anyone explain how to do this?

Chemistry
1 answer:
Roman55 [17]2 years ago
3 0

Answer:

hello u need help? 9i0

Explanation:

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pochemuha

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balance the following equation by oxidation number method KMnO4 + Na2So3 gives Mno2 + Na2 So4 + Koh​
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7 0
3 years ago
When 1000 C of charge is passed through CuSO4 solution, x g of copper is deposited. How much charge should be passed through the
Stels [109]

Number of charge = 5018 C

<h3>Further explanation</h3>

Given

1000 C of charge for x grams of copper

Required

Number of charge

Solution

Faraday's Law :

\tt W=\dfrac{e.i.t}{96500}\\\\W=\dfrac{e.Q}{96500}

For 1000 C, W = x grams

\tt x=\dfrac{1000.e}{96500}=0.0104e

For 5x grams :

\tt 5x=\dfrac{e.Q}{96500}\\\\5\times 0.0104e=\dfrac{e.Q}{96500}\\\\Q=\dfrac{96500\times 5\times 0.0104e}{e}=5018~C

6 0
3 years ago
What does control group mean
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A control group is the group in an experiment that does not receive any sort of change, to then be compared to the other treated objects at the end of the study.
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The solution of this problem with explaining the solution?
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I need a closer pic
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