What is the value of percent atom economy when an organic compound of formula weight $$75 \mathrm{~u}$$ is obtained from reactants having sum formula ...

Which from following substances consists of total 1 mole atoms in it? (Molar mass of $$\mathrm{NH}_3=17, \mathrm{H}_2 \mathrm{O}=18, \mathrm{~N}_2=28,...

How many moles of nitrogen atoms are present in $$8 \mathrm{~g}$$ of ammonium nitrate? (Molar mass of ammonium nitrate $$=80$$ )

Calculate the $$\mathrm{pH}$$ of a buffer solution containing $$0.01 ~\mathrm{M}$$ salt and $$0.004 \mathrm{~M}$$ weak acid. $$\left(\mathrm{pK}_{\mat...

What volume of ammonia is formed when $$10 ~\mathrm{dm}^3$$ dinitrogen reacts with $$30 ~\mathrm{dm}^3$$ dihydrogen at same temperature and pressure?...

Identify number of moles of donor atoms in $$2 \mathrm{n}$$ mole of $$\mathrm{SCN}^{-}$$.

Which of the following concentration terms depends on temperature?

What is the mass in gram of 1 atom of an element if its atomic mass is $$10 ~\mathrm{u}$$ ?

Which among the following is NOT an extensive property?

What is the volume (in dm$$^3$$) occupied by 75 g ethane at S.T.P. ?

"Mass can neither be created nor destroyed" is the statement of

What amount of oxygen is used at S.T.P. to obtain 9 g water from sufficient amount of hydrogen gas?

What is value of percent atom economy if formula weight of product is 46 u and sum of formula weight of all reactants is 92 u?