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Alenkinab [10]
3 years ago
9

HELPPPP!!!!!!!!!!!!

Chemistry
1 answer:
xenn [34]3 years ago
3 0

Answer:

nomelase ay pa la próxima

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Given that pH + pOH = 14, what is the pH of a solution if its pOH is 12.4???
Darya [45]
<span>pH + pOH = 14

</span><span>What is the pH of a solution if its pOH is 12.4?

pH = 14 - 12.4 

pH = 1.6</span>
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Which of the following represents the relative charge of proton
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A teacher makes the following statement.
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7. A solution containing 90grams of KNO3 per 100. grams of H2O at
Tomtit [17]

Answer:

(4) concentrated and supersaturated

Explanation:

At 50.°C, 90g of KNO3 lies above the solubility curve [on the Regents Reference Table G]. This indicates that the solution is supersaturated, meaning it contains more solute than will naturally dissolve, and was formed when a saturated solution cooled. Furthermore, the percent concentration of this solution is 90% KNO3 making this solution concentrated. This can be calculated using the formula for mass percent concentration.

Percent Mass = <u>Mass of Solute (g)</u> x 100

                         Mass of Solution (g)

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