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Mariulka [41]
3 years ago
15

C=2.99m + 13.99, where c is the total monthly cost

SAT
2 answers:
kotykmax [81]3 years ago
7 0
49.87 is the answer hope this helped
stepan [7]3 years ago
3 0
2.99x12 = 35.88
35.88+13.99
49.87
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If 50. 0 g of ch₃oh (mm = 32. 04 g/mol) are added to a 500. 0 ml volumetric flask, and water is added to fill the flask, what is
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Taking into account the definition of molarity, the concentration of CH₃OH in the solution is 3.12 \frac{moles}{liters}.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

Molarity=\frac{number of moles}{volume}

Molarity is expressed in units \frac{moles}{liters}.

<h3>Concentration of CH₃OH</h3>

In this case, you know:

  • number of moles= 50 g× \frac{1 mole}{32.04 g}= 1.56 moles, being 32.04 \frac{g}{mole} the molar mass of CH₃OH
  • volume= 500 mL= 0.5 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

Molarity=\frac{1.56 moles}{0.500 L}

Solving:

<u><em>Molarity= 3.12 </em></u>\frac{moles}{liters}

Finally, the concentration of CH₃OH in the solution is 3.12 \frac{moles}{liters}.

Learn more about molarity:

<u>brainly.com/question/9324116</u>

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The statements that best describes an unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries is Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries.

<h3>What is an estuary?</h3>

An estuary can be regarded as partially enclosed, water body which consists of mixture of freshwater from rivers as well as salt water from the ocean.

However, unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries is that parasite can be easily decrease the populations of breed.

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