Momentum of oxygen molecules

  • Thread starter Punkyc7
  • Start date
  • #1
420
0
What is the momentum of an oxygen molecule traveling at this speed?

the speed was 484 m/s

the molar mass of oxygen is M=.032 kg/mole

Na= 6.022 x10^23
I do p=mv

v=484
m=M/Na

The answer should be 2.57x10^-13 but i keep getting 2.57 x10^-23
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
31
Check your calculations again, your operations are correct.
 
  • #3
420
0
I still get 2.57 x 10^-23
 
  • #4
ehild
Homework Helper
15,543
1,909
Your result is correct.

ehild
 
  • #5
420
0
So the solution in the book is wrong, Thank you
 
Last edited:

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