Questions by Acoffman

Questions by Acoffman

A compound in a copper ore has the following percentage composition by mass: 55.6% copper, 16.4% iron, 28.0% sulfur. Calculate the empirical formula of the compound. Relative atomic masses (Ar): S = 32;

asked Jan 18, 2018

1 answer

0 votes

160k views

686,293 what is the value of the digit 8 in Alaska population?

asked Sep 22, 2017

2 answers

2 votes

148k views

the pancreas can be totally or partially removed what code range in the CPT 4 code book is used for pancreatectomies

asked Jan 18, 2017

1 answer

5 votes

46.3k views

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