What is the relative weight of carbon?

Related questions

• How do you calculate the atomic mass of carbon?
• How are atomic mass and mass number different?
• How do you calculate atomic mass from isotopic composition ?
• How do atomic mass and atomic weight differ?
• How do atomic masses reflect isotope abundances?
• How do atomic masses vary throughout the periodic table?
• How much atomic mass is in hydrogen?
• What atomic mass does ekasilicon have?
• Why are atomic masses of most of the elements fractional?
• What is atomic mass?