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(Help!) What is the mass of hydrogen atoms that is measured at 72 u?​

User Scolestock
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2 Answers

17 votes
17 votes

Mass of 1 mol hydrogen atoms =1.00784u

Total mass in 72u

  • 72/1.00784
  • 71.43u
User Angs
by
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21 votes
21 votes

Answer:

=71.439911 u

Step-by-step explanation:

We know that 1 mass of hydrogen atom = 1.00784 u

If it's measured at 72u: 72/1.00784=71.439911 u