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how to calculate the average atomic mass of chlorine. USING THE AVERAGE MASS FROM THE PERIODIC TABLE AVERAGE ATOMIC MASS OF CHLORINE IS 35453 FIND THE ABUNDANCE OF EACH ISOTOPE. List the known and unknown quantities and plan the problem.
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Natural abundance of second. CHLORINE HAS TWO NATURALLY OCCURRING ISOTOPES. Answer verified by Toppr Upvote 43.
Average atomic mass of chlorine 10075773496892423369659 3545 gmol.
3 Weighted Average for All Atoms of an Element The atomic mass of an element is a weighted average of all the elements isotopes based on their natural abundance. In other words in every 100 chlorine atoms 75 atoms have a mass number of 35 and 25 atoms have a mass number of 37. Add together for each isotope to get the average atomic mass. The atomic mass of the atom is the mass of the protons plus the mass of the neutrons 6 7 or 13.
