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E Values and i Factor in Chemistry
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E Values and i Factor in Chemistry

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Questions and Answers

What should be calculated first when Evalues is requested in a question?

  • Molecular structure
  • i factor
  • Molar mass (correct)
  • Density
  • What is the value of ifactor for sodium chloride?

  • 3.0
  • 1.8 (correct)
  • 1.2
  • 2.4
  • According to the note, what is the Mwt of sodium chloride?

  • 28.5
  • 48.5
  • 38.5 (correct)
  • 58.5
  • What is the first step to find the factor?

    <p>Finding the dissociation ratio for each ion</p> Signup and view all the answers

    What do you do after summing the dissociation ratios?

    <p>Divide by 100</p> Signup and view all the answers

    Study Notes

    Evalues and iFactor

    • Evalues questions require finding the iFactor first, as it's essential to solve the problem using the law.
    • Even if the iFactor is not explicitly requested, it's still necessary to find it.

    iFactor Formula

    • iFactor of a substance is calculated using the formula: Sodium Chloride (NaCl) = 1.8 (constant values)

    Mut of a Substance

    • Mut of a substance is a given value in the question.
    • Example: Mut of Sodium Chloride = 38.5

    Calculating iFactor

    • Steps to calculate iFactor:
      • Find the dissociation rate of each ion.
      • Find the remaining percentage of the compound that did not dissociate.
      • Add the two values.
      • Divide the result by 100.

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    Description

    This quiz covers the concept of E values and i factor in chemistry, including how to calculate and apply them in problems involving substances like sodium chloride.

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