Final answer:
To calculate the standardized concentration of EDTA, use the molarity calculated from standardization results, considering initial concentrations, dilution factors, and stoichiometry for any reactions.
Step-by-step explanation:
To calculate the standardized concentration in moles of the EDTA solution, one would use the molarity of the standard. Molarity, defined as moles per liter (mol/L), is calculated by the equation molarity = moles of solute / volume of solution in liters. If the standardization process provides the amount of solute in moles and the volume of the solution, the molarity can be directly calculated.
In determining the factors affecting EDTA concentration, we take into account the initial concentration of the components, the volume of the solutions being mixed, and any dilution factors. For example, if we have a sample calculation involving the dilution of a concentrated solution: when 15.0 mL of a 1.00 M HCl stock solution is added to 75 mL of water, the final concentration is found by dividing the moles of HCl (calculated from its initial molarity and volume) by the new total volume after dilution.
Frequently, we will utilize stoichiometric calculations that connect the moles of reactants to moles of products based on the balanced chemical equation. This helps to establish the final concentration once a reaction is complete, as in the example provided where the stoichiometric factor between BaSO4 and MgSO4 is used to find the percentage concentration.