Chemistry problem.....see below....?

0 ⤊

Chemistry problem.....see below....?

Gallium consists of two isotopes of masses 68.95 amu and 70.95 amu with abundances of 60.16% and 39.84%, respectively. What is the average atomic mass of gallium?

2007-08-16 10:55:43 · 2 answers · asked by juggy joe 1 in Science & Mathematics ➔ Chemistry

2 answers

68.95amu(0.6016) + 70.90amu(0.3984) = 69.727amu

2007-08-16 11:01:51 · answer #1 · answered by Anonymous · 0⤊ 0⤋

(68.95 x 60.16) + (70.95 x 39.84)/100

2007-08-16 11:01:35 · answer #2 · answered by Gervald F 7 · 0⤊ 0⤋