Naturally occurring bromine consists of the isotopes (78.9183 u) and (80.9163 u)

CHEMISTRY · Subjective · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Naturally occurring bromine consists of the isotopes

^{79}\text{Br}

(78.9183 u) and

^{81}\text{Br}

(80.9163 u). The average atomic mass of bromine is 79.904 u. Calculate the percent abundance of

^{79}\text{Br}

to the nearest 0.1 %.