Question: Your soda ash mass is 4.1692 g and is made up in a 250.0 mL volumetric flask. • You used a 25.00 mL sample which was neutralized to the second endpoint at a volume of 42.32 mL of the HCL solution standardized in part 2. • What is the percent analyte of your soda ash sample?

Second Question-

You make a solution of NaOH which has a concentration of ~ 0.1 M. • You are asked to standardize your NaOH solution. You required 29.39 mL of NaOH to 0.6123 g of KHP. • What is the concentration of your HCl?