Calculate the Relative Atomic Mass of Speedium (A Fictional Element)which

question 66

Multiple Choice

Calculate the relative atomic mass of speedium (a fictional element) which has three isotopes with the following masses and abundances: ⁴⁵Sp 44.99 amu 30.0%
⁴⁷Sp 46.99 amu 60.0%
⁴⁸Sp 48.00 amu 10.0%

• A)45.0 amu
• B)46.5 amu
• C)46.7 amu
• D)47.0 amu
• E)140 amu

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