MDCAT Medical Exams Quizzes MCQs Quizzes MDCAT 2017 Chemistry Gases Sample Paper 6

Question:
Which of the following will have the same number of molecules at S.T.P?

Option A):
11.2 dm³ of O₂ and 32g of O₂
Option B):
280cm³ of CO₂ and280cm³ of N₂O
Option C):
44g of CO₂ and 11.2dm³ of CO
Option D):
28g of N₂ and 5.6dm³ of oxygen

Correct Answer is Option B):
280cm³ of CO₂ and280cm³ of N₂O