Question 1

A motor truck releases an average of 5.0g CO into air for every km covered. How many molecules of CO will be emitted into the air if the truck travels 8km? [C = 12; 0 = 16; NA = 6.02 x 10^2]

  • A.4.32 x 1022
  • B.2.48 x 1023
  • C.8.6 x 1023
  • D.6.82 x 1031
Objective

Question details

Exam body
OAU
Subject
Chemistry
Year
2014/2015
Question no.
#1
Type
Objective

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