Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Approximately 1 5 % of the particles in a shipment of silver - bearing ore are judged to be argentite, ) = ( 7 .
Approximately of the particles in a shipment of silverbearing ore are judged to be argentite, ; the remainder are siliceous and contain essentially no silver.
a Calculate the number of particles that should be taken for the gross sample if the relative standard deviation due to sampling is to be or less.
b Estimate the mass of the gross sample, assuming that the particles are spherical and have an average diameter of
c The sample taken for analysis is to weigh and contain the same number of particles as the gross sample. To what diameter must the particles be ground to satisfy these criteria?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started