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yKpoI14uk [10]
2 years ago
14

Please answer this!!!!!!!!!!!!!

Chemistry
2 answers:
NeX [460]2 years ago
8 0
What’s the question?
boyakko [2]2 years ago
6 0

Answer:

oo ok and please i like your pfp

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What is the molarity of a solution that is prepared by adding 57.1 g of toluene (c 7 ​ h 8 ​ ) (density = 0.867 g/ml) to a 250 m
Virty [35]

Answer:

2.48 mol/L.

Explanation:

  • The molarity of the solution can be expressed as <em>the number of moles of solute in 1.0 liter of the solution, </em>(M = n / V).
  • It is also can be calculated from the relation:

<em>M = (mass / molar mass) solute x (1000 / V of solution)</em>

The solute is toluene and the solvent is benzene.

mass of toluene (solute) = 57.1 g,

molar mass of toluene (solute) = 92.14 g/mol.

volume of the solution = 250 ml.

∴ M =  (mass / molar mass) solute x (1000 / V of solution) = [(57.1 g / 92.14 g/mol) x (1000 / 250 ml)] = 2.48 mol/L.

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How large would the state of New York (235 miles across) be?
Ann [662]

Answer:

235 miles equals 5,280 feet

Explanation:

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Which of the following shows the abbreviation for an Sl unit of density?
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the atomic mass of N is 14.01 g/mol and the atomic mass of H is 1.008 g/mol. what is the molecular mass of NH3
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3 years ago
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