Gallium Has an Atomic Mass of 69

question 85

Multiple Choice

Gallium has an atomic mass of 69.723 amu.The Ga-69 (68.926 amu) is 60.11%.What is the amu of the other isotope?

• A) 70.924 amu
• B) 70.928 amu
• C) 70.932 amu
• D) 70.920 amu

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