Which of the following is a noble gas?
A) F
B) N
C) O
D) all of the above
E) none of the above
Question 2
What term refers to a type of stoichiometry calculation that relates the volumes of two gases according to a balanced chemical equation?
A) mass-mass problem
B) mass-volume problem
C) mole-mole problem
D) volume-volume problem
E) none of the above