The speed of migration of Ag⁺ ion and NO₃⁻ ion are 0.00057 cm sec⁻¹ and 0.00063 cm sec⁻¹ at infinite dilution. The equivalent conductance of AgNO₃ at infinite dilution is
a. 140.2
b. 130.1
c. 120.8
d. 115.8