What is the number of moles in 523 g Ba(NO3)2?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Tell me the iupac name of the following compounds: