4 74 A 1 85 g sample of an arsenic containing pesticide was

Last updated: 7/3/2023

4 74 A 1 85 g sample of an arsenic containing pesticide was chemically converted to AsO 3 atomic mass of As 74 9 and titrated with Pb to form Pb ASO If 20 mL of 0 1 M Pb is required to reach the equivalence point the mass percentages of arsenic in the pesticide sample is closest to a 8 1 b 2 3 c 5 4 d 3 6