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  9. Q18
Question 18

An organic acid contains by mass 40℅ carbon, 6.67% hydrogen and 53.33% of oxygen. Calculate its empirical formula:

  • A.C2H2O2
  • B.CH2O
  • C.C2H2O
  • D.C4H2O
Objective

Question details

Exam body
UNILORIN
Subject
General Paper - Science & Engineering
Year
2008/2009
Question no.
#18
Type
Objective
Previous · Q17Calculate the percentage mass of magnesium in magnesium phosphate (Mg 2 P 2 O 7… Next · Q19 The number of protons in the nucleus of an atom is the:

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