wheyprj wheyprj 09-09-2022 Chemistry contestada Hello, I am stuck on this: What is the de Broglie wavelength of a neutron (mass = 1.009 amu) moving at a velocity of 7.11 × 10⁶ meters per second? I know the formula is wavelength= h/mv, but I keep getting the answer incorrect as: 4.67E-27