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yuradex [85]
3 years ago
11

Of rational function13. + 3 < 03x-1nctions.​

Chemistry
1 answer:
pshichka [43]3 years ago
4 0

Answer:

I didn't understand questions properly. Sorry

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A chemist prepares a solution of calcium bromide CaBr2 by measuring out 4.81μmol of calcium bromide into a 50.mL volumetric flas
Mariana [72]

Answer:

The concentration of the CaBr2 solution is 96 µmol/L

Explanation:

<u>Step 1:</u> Data given

Moles of Calciumbromide (CaBr2) = 4.81 µmol

Volume of the flask = 50.0 mL = 0.05 L

<u>Step 2:</u> Calculate the concentration of Calciumbromide

Concentration CaBr2 = moles CaBr2 / volume

Concentration CaBr2 = 4.81 µmol / 0.05 L

Concentration CaBr2 = 96.2 µmol /L = 96.2 µM

The concentration of the CaBr2 solution is 96 µmol/L

4 0
3 years ago
Use the Henderson-Haaselbach equation based on the buffer equilibrium reaction to complete the statements below.
zloy xaker [14]
Hi, Again!

The answer to the drop downs are

•Increase
•Decreases
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•5.9

Hope this helps !
8 0
3 years ago
What is a common misconception about not following food regulations?
Dima020 [189]

Explanation:

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3 years ago
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I'm not really sure on how to test if it is a chemical or physical change....
kolezko [41]
Chemical change because it cannot be reversed
4 0
3 years ago
What is responsible for the formation of a solution?
-BARSIC- [3]
<span>An aqueous solution is produced when a solute dissolves in water. The biggest responsible is the water that is the solvent of substances in smaller proportion as some ions of K +, Na +, Cl -, forming true solutions. Occurs when a solute dissolves in the water solvent, the separation between the substances is atomic, molecular or ionic, depending on the solution.</span>
6 0
3 years ago
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