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jeka57 [31]
3 years ago
12

Where are all metalloid found in this periodic table?

Chemistry
1 answer:
Montano1993 [528]3 years ago
7 0

Answer:

The answer is B. in green boxes

Explanation:

They seperate the metals and non-metals.

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In glucose there are 6 carbon atom, atomic weight carbon is 12, so the molar mass is 72 and the percentage composition of carbon in C6H12O6=(72180)×100%=40% percentage by the mass.

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Calculate the pH of a C6H5OH phenol solution, whose hydronium ion concentration [H3O +] is 1.8 x 10e-5 M
Sidana [21]

Answer: The pH of phenol solution is 4.7

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydronium ion concentration.

pH=-\log [H_3O^+]

Given : [H_3O^+]=1.8\times 10^{-5}M

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pH=-\log[1.8\times 10^{-5}M]

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Which is the property of nonmetals to evaporate easily?
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