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Kitty [74]
3 years ago
7

Scientists test a hypothesis by?

Chemistry
1 answer:
Novay_Z [31]3 years ago
6 0
They test the hypothesis by experimentation.
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Dilution is the prosess where a solution is added more of the solvent to decrease the concentration of the solute. In dilution, the amount of solute does not change, the number of moles are the same before and after dilution.

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Analyze the role coefficients in a chemical reaction play in stoichiometry
kumpel [21]

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This is known as the coefficient factor

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What is the pH of a 2.58 x 10^-6 M solution of an acid?
laila [671]

Answer:

<h2>5.59 </h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

From the question we have

ph =  -  log(2.58 \times  {10}^{ - 6} )  \\  = 5.58838

We have the final answer as

<h3>5.59</h3>

Hope this helps you

7 0
3 years ago
In which region is there most likely to be a volcano? A.D B.B C.A D.C
tatyana61 [14]

Answer: A and D

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I hope this helps. Sorry if I’m wrong

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