Compute the natural abundances of two isotopes

Reference no: EM13176773

1) The atomic masses of ^10B and ^11B are 10.0129 amu and 11.0093 amu., respectively. calculate the natural abundances of these two isotopes. The average atomic mass of B is 10.811 anu

^10B= %?

^11B=%?

2) The average atomic mass of nitrogen is 14.0067. The atomic masses of the two stable isotopes of nitrogen. ^14N and ^15N, are 14.003074002 and 15.0010897 amu, respectively. Use this information to determine the percent abundance of ^14N.

^14N=%?

^15N=%?

3) The atomic masses of the two stable isotopes of copper A=63, Z= 29 Cu (69.17%) and A=65, Z=29 Cu (30.83%) are 62.929599 and 64.927793 amu, respectively. Calculate the average atomic mass of copper.

amu=?

Reference no: EM13176773

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