total weight % Fe (in the ore)ive also added the formula just in case weight % of MOI =atm wt MOI(vol % MinMOI) (Þ MinMOI)atm wt MinMOI (vol % MinA) (Þ MinA) + (vol % MinB) (Þ MinB) + (vol % MinC) (Þ MinC) + ... + (vol % Min n) (Þ Min n) Ore minerals (abbr)pyrite (py)chalcopyrite (cp)galena (gn)Metals of interestironGangue minerals (abbreviation)quartz (qtz)copperleadMetals ofinterestFeCu & FePbsulfurChemicalcompositionFeS2CuFeS2PbSSiO2FeCuPbNon-metallic elements in ore mineralsS% by volumein ore sample25102540Not neededNot neededNot neededNot neededAtomic weight119.97183.52239.25Not needed55.8563.55207.1932.06Density (g/cc)5.04.27.42.65N/AN/AN/AN/A

To calculate % of Fe in pyrite using the given formula:

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total weight % Fe (in the ore) ive also added the formula just in case

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section: Chapter Questions

Problem 90QRT

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Question

total weight % Fe (in the ore)

ive also added the formula just in case

weight % of MOI =
atm wt MOI
(vol % MinMOI) (Þ MinMOI)
atm wt MinMOI (vol % MinA) (Þ MinA) + (vol % MinB) (Þ MinB) + (vol % MinC) (Þ MinC) + ... + (vol % Min n) (Þ Min n)

Ore minerals (abbr)
pyrite (py)
chalcopyrite (cp)
galena (gn)
Metals of interest
iron
Gangue minerals (abbreviation)
quartz (qtz)
copper
lead
Metals of
interest
Fe
Cu & Fe
Pb
sulfur
Chemical
composition
FeS2
CuFeS2
PbS
SiO2
Fe
Cu
Pb
Non-metallic elements in ore minerals
S
% by volume
in ore sample
25
10
25
40
Not needed
Not needed
Not needed
Not needed
Atomic weight
119.97
183.52
239.25
Not needed
55.85
63.55
207.19
32.06
Density (g/cc)
5.0
4.2
7.4
2.65
N/A
N/A
N/A
N/A

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