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Mariulka [41]
2 years ago
15

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

SAT
2 answers:
kotykmax [81]2 years ago
7 0
49.87 is the answer hope this helped
stepan [7]2 years ago
3 0
2.99x12 = 35.88
35.88+13.99
49.87
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If a person takes 30 ml of vinegar a day and the molarity of the vinegar is 0. 84 m then how many grams of acetic acid (hc2h3o2
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The mass of the acetic acid is 1.512 g.

<h3 /><h3>What is Molarity?</h3>

molarity is the concentration of a substance in mol per dm³

From the question,

The number of moles contained in the 30 mL vinegar is

  • n = (0.84×30)/1000
  • n = 0.0252 mol.

the molar mass of vinegar is calculated below.

  • m.m of (HC₂H₃O₂) = [1+(12×2)+(1×3)+(16×2)]
  • m.m = (1+24+3+32]
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To calculate the mass of acetic acid, we use the formula below.

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Where

  • R.m = mass of acetic acid.

Substitute these values into equation 1

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  • R.m = 1.512 g.

Hence, The mass of the acetic acid is 1.512 g.

Learn more about molarity here: brainly.com/question/20383725

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