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Questions and Answers
What should be calculated first when Evalues is requested in a question?
What is the value of ifactor for sodium chloride?
According to the note, what is the Mwt of sodium chloride?
What is the first step to find the factor?
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What do you do after summing the dissociation ratios?
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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.
