asianlovergirlozqzj1 asianlovergirlozqzj1 15-02-2018 Chemistry contestada Calculate the atomic mass for zinc given the following data for its natural isotopes: 64Zn 63.929 amu 48.89 % 66Zn 65.926 amu 27.81 % 67Zn 66.927 amu 4.11 % 68Zn 67.925 amu 18.57 % 70Zn 69.925 amu 0.62 %