Answer: The molar mass of H2S is greater than the molar mass of NH3, making the velocity and effusion rate of NH3 particles faster. Effusion rate is inversely proportional to molar mass.
Explanation:
1 electron Bc of the electron you have
Answer : C
Because $6.65 multiplied by 4 hours equals $26.60
The correct answer is C: the alkaline earth metals!