Sadaalcala1
07.09.2021 •
Mathematics
If a house plan is a scale of 1:100 and the driveway is 3.5cm how wide is it in real life in metres
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Ответ:
10.8109 amu
Step-by-step explanation:
The average atomic mass of boron is determined as the average of the atomic masses of both isotopes weighed by their respective abundances.
Therefore, the average atomic mass is given by:
The average atomic mass of boron isotopes is 10.8109 amu.