A 0.517 g sample of impure oxalic acid is dissolved in water and an acid-base indicator added. The sample requires 17.24 mL of 0.243 M NaOH to reach the equivalence point. Calculate the mass and mass percent of oxalic acid in the sample?​

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i