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Question 5

What is the percentage by mass of copper in copper (I) oxide (Cu2O)? [0 = 16; Cu = 64]

  • A.88.9%
  • B.80.0%
  • C.66.7%
  • D.20.0%
Objective

Question details

Exam body
FUTA
Subject
Chemistry
Year
2011/2012
Question no.
#5
Type
Objective
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