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DaniilM [7]
3 years ago
12

A 25.00-mL sample of 6.00 M HCl solution is diluted to a new volume of 85.00 mL. What is the concentration of the dilute solutio

n
Chemistry
1 answer:
natali 33 [55]3 years ago
6 0

The concentration of the dilute solution is 1.76 M

<h3>Data obtained from the question </h3>
  • Molarity of stock solution (M₁) = 6 M
  • Volume of stock solution (V₁) = 25 mL
  • Volume of diluted solution (V₂) = 85 mL
  • Molarity of diluted solution (M₂) =?

<h3>How to determine the molarity of the diluted solution </h3>

M₁V₁ = M₂V₂

6 × 25 = M₂ × 85

150 = M₂ × 85

Divide both side by 85

M₂ = 150 / 85

M₂ = 1.76 M

Thus, the concentration of the diluted solution is 1.76 M

Learn more about dilution:

brainly.com/question/15022582

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400 BTU of wasted heat energy is present in the form of electricity.

<h3><u>Energy sources and usage</u></h3>
  • Potential energy sources include fossil fuels like coal, oil, and natural gas. Other energy sources include hydro, solar, and wind.
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So, when efficiency is 60%, energy is used 60% of the time and lost 40% of the time. Thus, according to question, the energy that is wasted is:

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John dalton proposed a theory that all matter is made up of individuals particles which cannot be divided. what were those parti
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You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. What is the peroentage of salt by mass in th
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I’ve gotten the answer as x=.478 but when plugging back in, .46/.478 ≠ .22. Help please
ivanzaharov [21]

Answer:

15. 2.66 moles .

16. 2.09L.

Explanation:

Molarity of a solution is simply defined as the mole of solute per unit litre of the solvent. Mathematically, it is represented as:

Molarity = mole /Volume.

With the above formula, let us answer the questions given above

15. Data obtained from the question include the following:

Volume of solution = 1.4L

Molarity = 1.9M

Mole of solute =.?

Molarity = mole /Volume

1.9 = mole / 1.4

Cross multiply

Mole = 1.9 x 1.4

Mole = 2.66 moles

Therefore, the mole of the solute present in the solution is 2.66 moles.

16. Data obtained from the question include the following:

Mole of solute = 0.46 mole

Molarity = 0.22M

Volume of solvent (water) =.?

Molarity = mole /Volume

0.22 = 0.46/Volume

Cross multiply

0.22 x Volume = 0.46

Divide both side 0.22

Volume = 0.46/0.22

Volume = 2.09L

Therefore, 2.09L of water is required.

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