According to Graham's law at a given temp, the ratio of diffusion r_A//r_B, of gases A and B is given by

According to Graham's law at a given temp, the ratio of diffusion r_A/

1.	According to Graham's law at a given temp, the ratio of diffusion r_A//r_B, of gases A and B is given by
Answer» `((P_A)/(P_B)) ((M_A)/(M_B))^(1/2)` `((M_A)/(M_B))((P_A)/(P_B)) ^(1//2)` `((P_A)/(P_B))((M_B)/(M_A))^(1//2)` `((M_A)/(M_B)) ((P_B )/(P_A))^(1/2)` ANSWER :C