1. Calculate the mass, in kg, of a single ⁵²Cr⁺ ion.

2. In a TOF mass spectrometer the kinetic energy of a ⁵²Cr⁺ ion was 1.269 x 10^-13 J
    Calculate the velocity of the ion.

Did you get 8.64 x 10^-26 kg and 1.71 x 10⁶ m/s?

The solutions are below.