If you produce 3.21 moles of K in a chemical reaction, how many grams of K do you have?

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions