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weeeeeb [17]
1 year ago
9

How do weathering and deposition differ?

Chemistry
2 answers:
ANEK [815]1 year ago
6 0

Answer:

It would be c

Explanation:

Paul [167]1 year ago
4 0
C) Weathering can be chemical or physical; deposition
is only chemical
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A certain amount of hydrogen peroxide was dissolved in 100. mL of water and then titrated with 1.68 M KMnO4. What mass of H2O2 w
Stels [109]

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see explanation below

Explanation:

First to all, this is a redox reaction, and the reaction taking place is the following:

2KMnO4 + 3H2SO4 + 5H2O2 -----> 2MnSO4 + K2SO4 + 8H2O + 5O2

According to this reaction, we can see that the mole ratio between the peroxide and the permangante is 5:2. Therefore, if the titration required 21.3 mL to reach the equivalence point, then, the moles would be:

MhVh = MpVp

h would be the hydrogen peroxide, and p the permanganate.

But like it was stated before, the mole ratio is 5:2 so:

5MhVh = 2MpVp

Replacing moles:

5nh = 2MpVp

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nh = 2MpVp/5

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3 years ago
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