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Alex73 [517]
1 year ago
12

A solution is 0. 0480 m lif. What is the molarity of the solution if the density is 1. 10 g/ml?.

Chemistry
1 answer:
makkiz [27]1 year ago
3 0

Molarity of the solution is 0.0527 M.

<h3>What is Molarity?</h3>

The amount of a substance in a specific volume of solution is known as its molarity (M). The number of moles of a solute per liter of a solution is known as molarity. The molar concentration of a solution is another name for molarity.

<h3>Calculation of Molarity of the solution</h3>

Assume there is 1 kg of solvent present in the beginning.

Thus, the mole of solute is 0.0480 moles of LiF.

Molar mass of LiF = 25.939 grams/mole

0.0480 mol LiF x 25.939 g/1 mol LiF = 1.245 g LiF

Mass of the solution = 1001.245 g

The molarity of the solution can be determined as illustrated using the supplied density and moles of solute.

[LiF] = mol LiF/ volume of solution

[LiF] = 0.0480 mol/1001.245 g x 1ml/1.10g x 1L/1000mL

Hence, the molarity of LiF = 0.0527 M

Learn more about Molarity here:

brainly.com/question/10851381

#SPJ4

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Answer:

A solution is made by dissolving 4.87 g of potassium nitrate in water to a final volume of 86.4 mL solution. The weight/weight % or percent by mass of the solute is :

<u>2.67%</u>

Explanation:

Note : Look at the density of potassium nitrate in water if given in the question.

<u><em>You are calculating </em></u><u><em>weight /Volume</em></u><u><em> not weight/weight % or percent by mass of the solute</em></u>

Here the <u>weight/weight % or percent by mass</u> of the solute is asked : So first convert the<u> VOLUME OF SOLUTION into MASS</u>

Density of potassium nitrate in water KNO3 = 2.11 g/mL

density=\frac{mass}{volume}

Density = 2.11 g/mL

Volume of solution = 86.4 mL

2.11=\frac{mass}{86.4}

mass = 2.11\times 86.4

mass=182.3grams

Mass of Solute = 4.87 g

Mass of Solution = 183.2 g

w/w% of the solute =

= \frac{mass\ of\ solute}{mass\ of\ solution}\times 100

=\frac{4.87}{183.2}\times 100

w/w%=2.67%

8 0
3 years ago
How the change in pressure affect the volume of the gas
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Explanation:

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A 4.24 kg marble slab has the volume of 1564 cm3 What is the density in g/cm3
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Answer:

The answer is

<h2>2.71 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

volume of marble = 1564 cm³

1 kg = 1000 g

4.24 kg = 4240 g

mass = 4240 g

The density is

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We have the final answer as

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