Which of the following contains 9.02 × 10^23 atoms?
A) 4.00 g H2
B) 9.00 g H2O
C) 28.0 g N2
D) 32.0 g O2
E) none of the above
Answer: B
Which of the following contains 9.02 × 10^23 atoms?
A) 4.00 g H2
B) 9.00 g H2O
C) 28.0 g N2
D) 32.0 g O2
E) none of the above