Effusion question

Question

Determine the rate of a fusion of ammonia and hydrochloric acid

Answer 1

Graham's Law of Effusion:

rate gas 1/rate gas 2 = sqrt MW gas 2 / sqrt MW gas 1

NH3 molar mass = 17 g/mol

HCl molar mass = 36.5 g/mol

We can't determine the rate of effusion of each gas as requested in the question, unless we know more information. We can, however, determine the RELATIVE RATES of effusion

sqrt 17 = 4.1

sqrt 36.5 = 6.0

NH3 will diffuse 1.5 x faster than HCl under the same conditions.