A doubly charged ion (charge 2e) with velocity 6.9 × 106 m/s

Last updated: 8/4/2022

A doubly charged ion (charge 2e) with velocity 6.9 × 106 m/s moves in a circular path of diameter 60.0 cm in a magnetic field of 0.80 T in a mass spectrometer. What is the mass of this ion? (e = 1.60 × 10-19 C) x 8.2 × 10-27 kg 3.3 × 10-27 kg 6.7 x 10-27 kg 11 x 10-27 kg 4.5 × 10-27 kg x