Answer:
1.47
Substitute molar mass HCl = 36.5 g/mol and molar mas sNH 3 = 17.0 g/mol. The ratio of diffusion rates is 1.47. A ratio of roughly 1.5 is logical because molecules of ammonia are about half as massive as molecules of hydrogen chloride.
Explanation:
The answer is 1.47 hope this helps :0