For this reason, it is necessary to establish the balanced chemical equation before performing stoichiometric calculations. The chemical equation is balanced when the number of atoms of each element are equal on
One formula unit of an ionic compound contains a total of 20 atoms and has the formula (NH_4)_3PO_x. What is the numerical value of the subscript x? What gives the exact number of atoms of each element present in the formula of the compound? How many ato...
Calculate the mass of nitrogen in 28.3 grams of N2O3. What is the mass percent of each element in ammonia? Calculate the percentage by mass of nitrogen in NH4NO3 (ammonium nitrate). Calculate the percentage by mass of nitrogen in ammonium nitrate, NH4NO3. What is the ...
How do you convert from amount of substance in moles to the number of atoms in an element?Moles:A mole is a scientific number used in chemistry to designate a set number of atoms or molecules. Each will have the same number of atoms or molecules as there ...