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Lerok [7]
3 years ago
8

Before measuring the absorbance of a solution with the ocean optics spectrophotometer, it is important to run a blank sample of

______ to correct for any light absorption not originating from the solute.
Chemistry
1 answer:
Strike441 [17]3 years ago
5 0
I think the most appropriate answer is: the solvent being used in the experiment
<span>To correct for any light absorption not originating from the solute you will need to calibrate the tools with a solution that most similar to the sample.
Blank covete or standard solution can be used, but it was not ideal. By using the solvent as calibration, you can remove the reading from the solvent so your result only comes from the sample.

</span>
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Object A has a mass of 500g and object B has a mass of 300g. Which object is more dense?
KonstantinChe [14]

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500g because 300g is less dense than 500g its kinda like a weight

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4 0
3 years ago
1. How many moles of HCl are in 7.80 X 1022 molecules? Answer:___0.13 moles of HCI​
Nuetrik [128]

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An organism that contains chloroplasts is able to produce food by the process of
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<span>An organism that contains chloroplasts is able to produce food by the process of "Photosynthesis"

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4 0
3 years ago
State, in terms of electrons, why the radius of Na+ ion in the table salt is smaller than the radius of a Na atom.
Anastaziya [24]

Answer:

• The Na atom is formed when the Na+ ion gains an electron.

• A Na+ ion has 10 electrons and a Na atom has 11 electrons.

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3 0
2 years ago
Which of the following ions is formed when a base is dissolved in a solution? H+ O− OH− SO42+
77julia77 [94]

Answer:

OH⁻

Explanation:

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Bases are generally certain metallic oxides, metallic hydroxides and aqueous ammonia.

An acid is a proton donor, H⁺ and it interacts with water to produce excess hydroxonium ions in an aqueous solution.

3 0
3 years ago
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