How to find the formula of an ionic compound if all you have is

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To determine the formula of an ionic compound using only the weight of the sample and its conductivity compared to a standard, one must first calculate the molarity of the sample based on its weight. This involves converting the weight into moles using the molar mass of the compound, which may require reference to tables for known ionic compounds. Conductivity measurements can help identify the compound by comparing the sample's conductivity to that of known standards, as ionic compounds with different compositions will exhibit varying conductivity levels. The combination of these two methods—weight analysis and conductivity comparison—can narrow down the possible formulas of the ionic compound.
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How to find the formula of an ionic compound if all you have is...

the weight of the sample and the conductivity of the given sample and of a conductivity standard already found?

Ive been stuck on this for hours X)
 
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Please elaborate. You probably have to check in tables, or your sample is just one of a few possible. Or both.
 
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