three isotopes of rubidium occur in nature fractional abundance 07215 02785 isotope atomic mass

Name: three isotopes of rubidium occur in nature fractional abundance 07215 02785 isotope atomic mass ru 85 849118 amu 869092 amu ru 87 calculate the average atomic mass to 2 decimal places includ 19298
Uploaded: 2023-08-28T00:10:08-08:00
Duration: 1 min 16 s
Channel: Supreeta N
Description: three isotopes of rubidium occur in nature fractional abundance 07215 02785 isotope atomic mass ru 85 849118 amu 869092 amu ru 87 calculate the average atomic mass to 2 decimal places includ 19298

Question

Pam Owens · Accepted Answer

1. We have two isotopes of Rubidium: Ru-85 and Ru-87.

Question

Three isotopes of Rubidium occur in nature: Fractional Abundance: 0.7215, 0.2785 Isotope Atomic Mass Ru-85: 84.9118 amu Ru-86: 86.9092 amu Ru-87: Calculate the average atomic mass to 2 decimal places. Include your unit in the answer. Options: A) 84.91 amu B) 85.47 amu C) 86.91 amu D) 85.91 amu

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