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Andre45 [30]
3 years ago
14

Isra is analyzing the properties of several samples of elements to find out which sample is a metalloid. Which set of properties

most likely belongs only to a metalloid?
Chemistry
2 answers:
cricket20 [7]3 years ago
8 0

has a high luster and is very brittle

Tatiana [17]3 years ago
4 0

Answer:

Low luster, can conduct electricity

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Which has the strongest intermolecular bonds? liquid gas solid water
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5 0
2 years ago
0.023 M solution of perchloric acid
kogti [31]
The original question is to find the pH and the pOH of 0.023 M of perchloric acid.

Answer:
pH = 1.638
pOH = 12.362

Explanation:
1- getting the pH:
pH can be calculated using the following rule:
pH = -log[H+]
Since the given solution is an acid, this means that [H+] is the same as the concentration of the solution.
This means that:
[H+] = 0.023
Substitute in the above equation to get the pH as follows:
pH = -log[0.023]
pH = 1.638

2- getting the pOH:
We know that:
pH + pOH = 14
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Substitute in the above equation to get the pOH as follows:
pOH + 1.638 = 14
pOH = 14 - 1.638
pOH = 12.362

Hope this helps :)
5 0
3 years ago
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