13. Iridium has two stable isotopes: Ir-191 (190.96 amu) and Ir-193 (192.96 amu). the average at

Name: 13. Iridium has two stable isotopes: Ir-191 (190.96 amu) and Ir-193 (192.96 amu). the average atomic mass of iridium is 192.22 amu. What is the natural abundance of each isotope? a. 37.0% Ir-191, 63.0% Ir-193 b. 63.0% Ir-191, 37.0% Ir-193 c. 45.5% Ir-191, 54.5% Ir-193 d. 54.5% Ir-191, 45.5% Ir-193
Uploaded: 2022-09-28T09:36:09-08:00
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Description: 13. Iridium has two stable isotopes: Ir-191 (190.96 amu) and Ir-193 (192.96 amu). the average atomic mass of iridium is 192.22 amu. What is the natural abundance of each isotope? a. 37.0% Ir-191, 63.0% Ir-193 b. 63.0% Ir-191, 37.0% Ir-193 c. 45.5% Ir-191, 54.5% Ir-193 d. 54.5% Ir-191, 45.5% Ir-193

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Nicole Smina · Accepted Answer

Step 1:
Let the natural abundance of Ir-191 be ( x ) and that of Ir-193 be ( y ). Since these ar

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13. Iridium has two stable isotopes: Ir-191 (190.96 amu) and Ir-193 (192.96 amu). the average atomic mass of iridium is 192.22 amu. What is the natural abundance of each isotope? a. 37.0% Ir-191, 63.0% Ir-193 b. 63.0% Ir-191, 37.0% Ir-193 c. 45.5% Ir-191, 54.5% Ir-193 d. 54.5% Ir-191, 45.5% Ir-193

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