A sample of battery acid is to be analyzed for its sulfuric acid content by titration. A 1.00 mL sample of the battery acid weighs 1.239 g. This 1.00 mL sample is diluted to 250.0 mL, and 10.00 mL of this diluted acid requires 32.44 mL of 0.00498 M Ba(OH) 2 to reach the equivalence point (pH of 7). What is the mass percent of H 2 SO 4 in the battery acid