Which Susceptibility of Bismuth Should I Calculate?

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Homework Help Overview

The discussion revolves around determining the appropriate type of magnetic susceptibility for Bismuth to calculate in an experimental context. The original poster expresses uncertainty regarding whether to use molar, mass, or volume susceptibility based on the requirements of their experiment.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the formula used in the experiment and the need to identify the correct susceptibility type. Questions are raised about the units of susceptibility and how they relate to the different types provided in literature.

Discussion Status

Some participants have provided guidance on comparing the units of susceptibility types to determine which is applicable to the formula used in the experiment. There is an acknowledgment of the original poster's findings regarding the unitless nature of volume susceptibility.

Contextual Notes

The original poster notes that the experiment did not specify which type of susceptibility to calculate, leading to confusion regarding the appropriate choice.

MaxManus
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I am trying to find the susceptibility for Bismuth, but I don't know which one I am after. Wikipedia gives molar, mass and volume. In my experiment we where asked to calculate the susceptibility, but not which one so I don't know which one I should compare with.

In the experiment we used the formula

Fz = -(1/2mu0)*XA(B21-B22)

Where Fz is the force in direction z, against gravity
X is the susceptibility
A is the area
B1 is and B2 are magnetic flux at different points,

MaxManus is hoping for the best
 
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What are the units of X that is used in your formula or textbook? If you compare that with the units of the molar-, mass-, volume-based susceptibilities, one of them should have the same units.
 
Thanks. Volume was unit less, the same was the answer in my experiment
 
Sounds good!
 

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