What is the molecular mass of ""^14CO_214CO2?

2 Answers
anor277
Jul 13, 2016

14+16+16=??"amu"14+16+16=??amu

Explanation:

Garden variety carbon dioxide has a mass of 44 amu. Label the carbon to give ""^(14)C14C and the molecular mass increases by 2 amu. Capisce??

A08
Jul 13, 2016

Mass of one molecule of color(white)(i)^14"CO"_2i14CO2 ="Mass of one atom of" color(white)(i)^14"C"=Mass of one atom ofi14C+2xx"Average atomic mass of Oxygen atom"+2×Average atomic mass of Oxygen atom
=14.003241+2xx15.9994=46.002041=14.003241+2×15.9994=46.002041 amu

Related questions
See all questions in The Mole
Impact of this question
3907 views around the world
You can reuse this answer
Creative Commons License