HSC - রসায়ন ২য় পত্র→অধ্যায়-০১ঃ পরিবেশ রসায়ন→All Topics

The atomic mass of H-atom is 1.0 and that of Cl-atom is 35.5. The diffusion rate of H-atom through the same orifice will be x times higher than that of Cl-atom. The value of x is-