Post Utme University of Calabar Chemistry Past Questions and Answers

Question 21:

A molecular formula shows ____________ in a molecule

A. The elements present
B. The number of atoms of each element.
C. Cations and anions
D. Chemical symbols and number of atoms

Question 22:

Give the total mass of copper in 1gm of copper (II) sulphate \([ Cu =40 ; S =32 ; O =16]\)

A. \(0.25 g\)
B. \(0.50 g\)
C. \(10 g\)
D. \(2.5 g\)