How do you determine how many Hydrogen atoms there are that make up earth?

The mass of a hydrogen atom is: #1.7 x 10^-24g#,
The mass of earth is aprox #5.98 x 10^27g#

1 Answer
Feb 19, 2016

an extraordinarily great guess


first you would have to figure out how much water in all forms exist on earth. Then you have to figure out how much hydrogen exists as part of a compound, natural gas, oil, ammonia, etc. They real question is, why would you want to do that?