Nitrogen has an atomic mass of 14.007 amu. nitrogen has two common isotopes. one has a mass of 14.003 amu and relative abundance of 99.632%.
a) what is the percent abundance of the other isotope?
b) what is the mass of the other isotope?
i know how to find average atomic mass, but my chem teacher hasn't shown is anything like this and it's on our study guide. how do i do this and how can i remember for the test?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Find the mass, in grams, of 5.00*10^23 molecules of f2