Calculate the Atomic Mass of Gallium If Gallium Has 2

question 36

Multiple Choice

Calculate the atomic mass of gallium if gallium has 2 naturally occurring isotopes with the following masses and natural abundances: Ga-69 68.9256 amu 60.11%
Ga-71 70.9247 amu 39.89%

• A) 69.72 amu
• B) 69.93 amu
• C) 70.00 amu
• D) 69.80 amu
• E) 70.68 amu

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