Renew by Mail. You can renew your passport by mail with application DS-82 if you meet the criteria listed on the U.S. Department of State web site. Renew by Mail Checklist. You can also renew your passport by bringing your prepared renewal application to a Post Officeâ¢ location.enew by Mail. You can renew your passport by mail with application DS-82 if you meet the criteria listed on the U.S. Department of State web site. Renew by Mail Checklist. You can also renew your passport by bringing your prepared renewal application to a Post Officeâ¢ location.
Solution: 12/6.022*10^23 = 1.9927*10^-23. We know that carbon 12 has a mass of 12 a.m.u and 1 amu =1.66*10^-24 grams.
The atomic masses listed in the periodic table are average numbers that reflect the variety of isotopes that exist for an element. Exercises 16. What is the approximate mass of a carbon atom in atomic mass units? How about a carbon dioxide molecule? From the periodic table we see that a carbon atom has a mass of about 12 amu.