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Question 3 (2.5 points) Chlorine has two naturally occurring isotopes. The isotope C1-35 (mass = 35.0...
There are two naturally occurring isotopes of chlorine. 35^CI has a mass of 34.9689 amu. 37^CI has a mass of 36.9659 amu. Determine the abundance of each isotope.
The table below shows the atomic masses of the two naturally occurring isotopes of rubidium. Isotope Atomic Mass (amu) 85Rb 84.912 87Rb 86.909 The average atomic mass of rubidium is 85.468 amu. What is the percent abundance of each isotope? 85Rb % 87Rb %
8. An element has two naturally occurring isotopes. Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4%. Isotope 2 has a mass of 122.9042 amu. Find the atomic mass of this element and, by comparison to the periodic table, identify it.
the element X has naturally occurring isotope. The masses (amu) and % abundance of the isotopes are given below. the average atomic mass of the element is ? Isotope: 221X, 220X, 218 X Abundance: 74.22, 12.78, 13.00 Mass: 220.9, 220.0, 218.1
1. An element has two naturally occurring isotopes. Isotope 1 has a mass of 120.9038 amu, and a relative abundance of 57.4%. Isotope 2 has a mass of 122.9042, and a relative abundance of 42.6%. Find the atomic mass of this element and identify it by name and symbol.
Chlorine is found as two isotopes, Cl-35 and Cl-37 (or and Cl). The atomic mass of the Cl-35-isotope is 34,96885 amu while the Cl-37-isotope has an atomic mass equal to 36,96590 amu ( The textbook use this unit for atomic mass, we could as well have used the recommended unit «u»). In the Periodic Table given in the textbook the molar mass of Chlorine is given as 35,45 g/mol. What is the percentage abundance of the two chlorine isotopes?
The element carbon has two naturally occurring isotopes. The isotopic masses and abundances of these isotopes are shown in the table below. Isotope 12c isotopic mass (amu) Abundance (%) 12.00 13.00 98.93 1.07 Calculate the average atomic mass of carbon to two digits after the decimal point. Number = _______ amu
An element has two naturally-occurring isotopes. The mass numbers of these isotopes are 111 amu and 113 amu, with natural abundances of 75% and 25%, respectively. Calculate its average atomic mass.
Both please !! ID: A An element has three naturally occurring isotopes. Information about each isotope is summarized below Isotope Isotope 1 Isotope 2 sotope 3 Mass(amu) 1 %Natural Abundance 4.946 5.983 53. (4 points) Find the average weighted atomic mass of this element. Observe the rals for significant ALL work MUST be show, including units, in order to receive PARTIAL credit 54, (4 points) Ferric chloride is 34.4% iron and 65.6% chlorine by mass. A chemist analyzes three compounds...
An element has two naturally-occurring isotopes. The mass numbers of these isotopes are 125 amu and 127 amu, with natural abundances of 80% and 20%, respectively. Calculate its average atomic mass. Report your answer to 1 decimal place. -------- amu