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How would you explain this situation by mineral formula calculation?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 108QRT

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Analysis of sphalerite using X-ray Fluorescence technique is shown in Table 1. Sphalerite may be nearly pure zinc sulfide or, it may contain considerable quantities of iron and minor amounts of manganese and cadmium. This phenomenon is common in minerals, and it can be indicated by writing the formula as (Zn, Fe)S, which shows that total of Zn+Fe is 1 with respect to S=1, but actual amounts of Zn and Fe are variable. How would you explain this situation by mineral formula calculation?

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