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Use molar mass of D2O to calculate the density of heavywater

  • Thread starter Cory522
  • Start date
  • #1
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Homework Statement


how can you go from molar mass to density if its not a gas

Homework Equations


molar mass = 20.0276 g/mol

The Attempt at a Solution


none
 

Answers and Replies

  • #2
ehild
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Hi Cory, welcome to PF!

Compare the number of D2O molecules in unit volume to that of water. Do the extra protonsEdit: neutrons change the size and interaction between the molecules appreciably with respect to H2O?
 
Last edited:
  • #3
SteamKing
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Hi Cory, welcome to PF!

Compare the number of D2O molecules in unit volume to that of water. Do the extra protons change the size and interaction between the molecules appreciably with respect to H2O?
It's not extra protons in D2O, it's extra neutrons.
 
  • #4
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Could you please explaing the problem once again, Cory? What exactly needs to be calculated?
 
  • #5
ehild
Homework Helper
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It's not extra protons in D2O, it's extra neutrons.
Of course, a great typo!!! Thanks. :)
 

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