Rhenium (Re) is made up of 37.4% 185Re and 62.6% 187Re. The atomic mass of 185Re is 184.953 amu. The atomic mass of 187Re is 186

Question

Sergio039 [100]

3 years ago

12

Rhenium (Re) is made up of 37.4% 185Re and 62.6% 187Re. The atomic mass of 185Re is 184.953 amu. The atomic mass of 187Re is 186

.958 amu. What is the average atomic mass of rhenium?

Chemistry

2 answers:

Anna007 [38] · Answer 1 · 2022-05-29T17:43:56+03:00

To calculate the average mass of the element, we take the summation of the product of the isotope and the percent abundance. We calculate as follows:

Average atomic mass = .374 ( 184.953 amu ) + .626 ( <span>186.958 amu ) = 186.208 amu

Hope this answers the question. Have a nice day.</span>

Lelu [443] · Answer 2 · 2022-05-29T19:19:02+03:00

Lelu [443]3 years ago

7 0

Answer:

186.207

Explanation:

done the topic