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zhannawk [14.2K]
3 years ago
13

How can you make a solution saturated

Chemistry
1 answer:
Vlada [557]3 years ago
3 0
You add solute until it can't dissolve anymore.
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was difficult to place isotopes of elements as they have the same chemical properties but different atomic masses. It was not possible to predict how many elements could be discovered between two heavy elements as the rise in atomic mass is not uniform.

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How many grams of sodium chloride are required to make a 1.0 L solution with a concentration of 3.5 M?
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3 years ago
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How do you convert ounces to grams
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3 years ago
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What is the concentration of H3O+ ions in saliva if [OH-] = 4.22 x 10-10 M? Provide the pH and the classification of this sample
OLEGan [10]

pH=4.625

The classification of this sample of saliva : acid

<h3>Further explanation</h3>

The water equilibrium constant (Kw) is the product of concentration

the ions:

Kw = [H₃O⁺] [OH⁻]

Kw value at 25° C = 10⁻¹⁴

It is known [OH-] =  4.22 x 10⁻¹⁰ M

then the concentration of H₃O⁺:

\tt 10^{-14}=4.22\times 10^{-10}\times [H_3O^+]\\\\(H_3O^+]=\dfrac{10^{-14}}{4.22\times 10^{-10}}=2.37\times 10^{-5}

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Saliva⇒acid(pH<7)

6 0
3 years ago
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