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kirill [66]
3 years ago
6

How do you do this problem?

Chemistry
1 answer:
MariettaO [177]3 years ago
4 0

Answer:

Explanation:

I can do it, but it may not be right. The atoms/ions and charges are all balanced, but I'm just not sure.

12Br2 + 12H20 ==> 4BrO3^- +20Br- + 24H+       You can divide this by 4

3Br2 + 3H20 ==> BrO3^-  + 5Br^-  + 6H+

Element/ion                Left                Right

Br                                 3*2 = 6        1 + 5 = 6

H                                    6                       6H+

O                                     3                       3

Charges                          0                    -1 - 5 + 6 = 0

The H+ represents an Acid. The problem is it says that the reaction takes place in an acid. It is so long ago, I don't remember if this includes being on the right.

Anyway it is balanced.

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How many formula units are in 5.33 moles of cucl2​
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Answer:

32.1 × 10²³ formula units of CuCl₂

Explanation:

Given data:

Number of moles of CuCl₂ = 5.33 mol

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Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

one mole of  any substance contain 6.022 × 10²³ formula units thus,

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3 years ago
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