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grin007 [14]
3 years ago
14

I need serious help with solving this problem.

Chemistry
1 answer:
Damm [24]3 years ago
6 0

The final molarity of this diluted solution is equal to 6.0 M.

<u>Given the following data:</u>

  • Initial volume = 4.0 mL
  • Initial molarity = 12.2 M
  • Final volume = 8.0 mL

To calculate the final molarity of this diluted solution:

<h3>The formula for the molarity of a solution.</h3>

Mathematically, the relationship between the molarity of a solution and volume is given by the formula:

MV = k\\\\M_1V_1 = M_2V_2

<u>Where:</u>

  • M is the molarity of a solution.
  • V is the volume of a solution.

Making M_2 the subject of formula, we have:

M_2 = \frac{M_1V_1}{V_2}

Substituting the given parameters into the formula, we have;

M_2 = \frac{12 \times 4.0}{8.0} \\\\M_2 = \frac{48}{8.0}

Final molarity = 6.0 M

Read more on molarity here: brainly.com/question/17138838

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<h3>Further explanation </h3>

In general, the reaction takes place in the open air. If the reaction results in the form of gas as in combustion, the mass of the reaction results will be smaller than the original mass. Or if the reaction binds to a larger than the environment then the reaction results will produce a greater mass than the original mass.

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What is the volume of 40.0 grams of argon gas at STP ?
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Answer:

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<u>Atomic Structure</u>

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<u>Aqueous Solutions</u>

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<u>Step 1: Define</u>

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<u>Step 2: Identify Conversions</u>

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<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})
  2. [DA] Divide/Multiply [Cancel out units]:                                                         \displaystyle 24.9235 \ L \ Ar

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

24.9235 L Ar ≈ 24.9 L Ar

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