1. Explain how would the following errors affect the calculated acid concentration? a. In the titration of an unknown acid with NaOH, assume a chemist overshoots the end point and adds too much NaOH. How would this error affect the final calculation for the concentration of the unknown acid? Would it be overestimated, underestimated or remain unaffected?
b. In the titration of an unknown acid, assume a chemist uses a solution of NaOH that has been sitting on the shelf for a long time and partially neutralized by the dissolved CO2 in the air. The concentration label on the bottle overestimates the NaOH concentration. How would this error affect the calculated concentration of the unknown acid?
2. The molarity of a NaOH solution is standardized to be 5.14 M. Determine (H2SO4) and %for the unknown acid solution if 41.27 mL of this NaOH solution is needed to fully react with 20.00-ml sample of sulfuric acid (H2SO4).
2.1 What is the %(m/m) of the sulfuric acid solution? Assume its density is 1.30 g/mL at room temperature.