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Question 21

30cm3 pf hydrogen at s.t.p combine with 20cm3 of oxygen to form steam according to the following equation 2H2(g) + O2(g) → 2H2O(g). Calculate the total volume of the gaseous mixture at the end of the reaction

  • A.50cm3
  • B.35cm3
  • C.30cm3
  • D.25cm3
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1999
Question no.
#21
Type
Objective
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