What is the mass of 13 Ba after 1 day? Express your answer with the appropriate units. The barium isotope 131 Ba has a half-life of 12 days. A 270 ug sample of 151 Ba is prepared. HA ? u 2 % A X m = 283 ug Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B What is the mass of 131 Ba after 10 days? Express your answer with the appropriate units. ?What is the mass of 131Ba after 10 days? Express your answer with the appropriate units. m Previous Answers R_equest Answer 8 Incorrect; Try Again; 3 attempts remaining Part C What is the mass of I31an; after 100 days? Express your answer with the appropriate units. m_=| Tlqrn ll rfmffa l