1. A wet free-milling gold ore sample weighing 150 kg was delivered to an assayer to determine the grade of gold in the ore. The moisture content of four replicate samples from the bulk material were determined (Table 1). The team also took triplicate samples weighing 50 g (dry weight) each for fire assaying, and the average gold content per sample was 0.35 mg. a) Find the average percent moisture of the bulk material. b) Estimate the quantity (in mg) of gold in the sample. One Two Three Four Samples Wet weight (g) 105 95 90 100 Dry weight (g) 85.6 76.5 85.5 84

1. A wet free-milling gold ore sample weighing 150 kg was delivered to an assayer to determine the grade of gold in the ore. The moisture content of four replicate samples from the bulk material were determined (Table 1). The team also took triplicate samples weighing 50 g (dry weight) each for fire assaying, and the average gold content per sample was 0.35 mg. a) Find the average percent moisture of the bulk material. b) Estimate the quantity (in mg) of gold in the sample. One Two Three Four Samples Wet weight (g) 105 95 90 100 Dry weight (g) 85.6 76.5 85.5 84

Name: 1. A wet free-milling gold ore sample weighing 150 kg wasdelivered to
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Description: 1. A wet free-milling gold ore sample weighing 150 kg wasdelivered to an assayer to determine the grade of gold in the ore.The moisture content of four replicate samples from the bulkmaterial were determined (Table 1). The team also took triplicates

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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