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Boron (B) has two naturally occurring isotopes: boron-10 (abundance = 19.8%, mass = 10.013 amu) and boron-11 (abundance = 80.2%, mass = 11.009 amu). Calculate the atomic mass of…

Boron (B) has two naturally occurring isotopes: boron-10 (abundance = 19.8%, mass = 10.013 amu) and boron-11 (abundance = 80.2%, mass = 11.009 amu). Calculate the atomic mass of…
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2 votes
Boron (B) has two naturally occurring isotopes: boron-10 (abundance = 19.8%,

mass = 10.013 amu) and boron-11 (abundance = 80.2%, mass = 11.009 amu).

Calculate the atomic mass of boron.

asked
User Serhii Baraniuk
by
8.1k points

2 Answers

5 votes
the mass of Boron using those numbers is 10.8 using sigfigs
answered
User Egerardus
by
8.1k points
6 votes
Boron's atomic mass is 10.811 amu
answered
User Retendo
by
8.6k points
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