Copper has 2 commonly occurring isotopes. 69.17% of Copper atoms have 34 neutrons and 29 protons

Name: Copper has 2 commonly occurring isotopes. 69.17% of Copper atoms have 34 neutrons and 29 protons, whereas the other 30.83% has 36 neutrons and 29 protons. Using the isotopic composition provided, and the known masses of protons ( 1.00727 amu) and neutrons ( 1.00866 amu), calculate the expected mass of Copper . Round your answer to 3 decimal places.
Uploaded: 2022-10-21T21:16:54-08:00
Duration: 2 min 49 s
Channel: David Collins
Description: Copper has 2 commonly occurring isotopes. 69.17% of Copper atoms have 34 neutrons and 29 protons, whereas the other 30.83% has 36 neutrons and 29 protons. Using the isotopic composition provided, and the known masses of protons ( 1.00727 amu) and neutrons ( 1.00866 amu), calculate the expected mass of Copper . Round your answer to 3 decimal places.

Question

David Collins · Accepted Answer

Step 1: Calculate the mass of the first isotope with 69.17% abundance:
Mass = (34 neutrons * 1.0

Question

Please give Ace some feedback