Question

In a 5.0 g sample of copper, which isotope would you expect to find the most? Use the data below.

Answer 1

1) List the known and unknown quantities.

Sample: Copper.

Isotopes

Copper-63.

Abundance: 69.15%

Copper-65.

Abundance: 30.85%

2) According to the percentages you should expect to find Copper-63 the most in the sample.