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Semenov [28]
3 years ago
8

When a solution is diluted with water, the ratio of the initial to final

Chemistry
2 answers:
Sindrei [870]3 years ago
5 0

hi there

You're answer would be true

Hope this answer correct

Bas_tet [7]3 years ago
3 0
Hello!!

The correct answer for this problem would be TRUE.

Explanation: it is true that when a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to initial molarities.
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Answer:

14.93 g

Explanation:

First we <u>convert 1.2 x 10²³ atoms of arsenic (As) into moles</u>, using <em>Avogadro's number</em>:

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Then we can<u> calculate the mass of 0.199 moles of arsenic</u>, using its<em> molar mass</em>:

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Thus, 1.2x10²³ atoms of arsenic weigh 14.93 grams.

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Will mark brainliest :) how many moles of a solute is present in 4.00 L of an 8.30 M solution?
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The answer is 33.2 moles of a solute is present in 4.00 L of an 8.30 M solution , Option A is correct .

<h3>What is Molarity ?</h3>

Molarity is defined as the amount of solute (in moles)in per litre of solution.

It is also known as molar concentration of a solution , It is expressed in mol/l

\rm M =\dfrac{moles \;of\; solute}{Volume \;of \;solution} \\\\\\\rm M = \dfrac{n}{V} \\

We can rearrange this equation to get the number of moles:

n= M * V

The molarity of solution is 8.3 M and the volume given is 4 litres

the moles will be n = 8.30 * 4 = 33.2 moles

Therefore 33.2 moles of a solute is present in 4.00 L of an 8.30 M solution , Option A is correct .

To know more about molarity

brainly.com/question/2817451

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