An ether solution containing aniline (A), benzoic acid (B), phenol (C), and toluene (D), is extracted with aqueous NaHCO3. After the extraction, the ether will contain . g

The correct answer is "atomic weight".

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.