QUESTION IMAGE
Question
the two questions in the table are conceptual.
- what do you think is the closest average atomic mass for this element?
a. 15.5
b. 16.0
c. 16.5
d. 17
Step1: Calcular la contribución de cada isótopo
Para el primer isótopo: \(15.995\times0.9976 = 15.957612\)
Para el segundo isótopo: \(16.999\times0.0004=0.0067996\)
Para el tercer isótopo: \(12.999\times0.002 = 0.025998\)
Step2: Sumar las contribuciones
\(15.957612+0.0067996 + 0.025998=16.0\) (aproximadamente)
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B. 16.0