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BOTH PARTS PLEASE!!! How long does it take for 31.00% of the C-14 atoms in a sample of C-14 to decay? MISSED THIS? Watch Express

image text in transcribedBOTH PARTS PLEASE!!!

How long does it take for 31.00% of the C-14 atoms in a sample of C-14 to decay? MISSED THIS? Watch Express the time in years to three significant figures. KCV: The Integrated Rate Law, IWE: Determining the Concentration of a Reactant at a Given Time ; Read Section 15.4. You can click on the Review link to access the section in your eText. The half-life for the radioactive decay of C14 is 5715 years and is independent of the initial concentration. X Incorrect; Try Again; 9 attempts remaining Part B If a sample of C14 initially contains 1.90mmol of C14, how many millimoles will be left after 2745 years? Express your answer in millimoles to three significant figures

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