1 gram H / 1 atomic mass unit (grams ) What is wrong with the math here ?

Join the discussion
Registration is free. Start your own thread to ask a follow-up.
2 replies · 7K views
Point Conception
Gold Member
Messages
1,183
Reaction score
1,954
One atomic mass unit = .001660565 x 10-24 grams
One gram Hydrogen / .001660565 x10-24 grams = 6.02 x 10 26 ?

This should be Avogadros number 6.02 x 1023
what is the mistake here ?
 
Chemistry news on Phys.org
It appears you're mixing grams and kilograms. 1 AMU = 1.6x10^-24 g = 1.6x10-27 kg.
 
phyzguy said:
It appears you're mixing grams and kilograms. 1 AMU = 1.6x10^-24 g = 1.6x10-27 kg.

Thanks , right, I moved the decimal in the wrong direction when converting kg to g
1 amu = 1.66 x 10-27 kg = 1660 x 10 -27 grams
= 1.66 x 10-24 grams
 
Last edited: