Question

A compound whose empirical formula is NO2 could have a molecular mass of what?
a) 23 b)39 c)92 d)120
0
please explain and show your work.....

Answer 1

It has an empirical mass of what? N = 14; O = 16; NO2 then = 46. The molar mass can be any multiple of 46; i.e., 46*1; 46*2; 46*3; etc.

Answer 2

Thanks