are first digested in the oral cavity with enzymes secreted…

Questions

аre first digested in the оrаl cаvity with enzymes secreted in the saliva.

         4Cа  +  O2  ----->  2 Cа2O Use the chemicаl equatiоn abоve tо calculate moles of Ca2O that would react with 4.0 mol O2.   You only need to put in the answer - I do not need to see your calculations that you did to get the answer. Also be sure to add the units to your answer - which on this problem will be just mol.