The electrochemical equivalent of a metal is $$3.3 \times 10^{-7}$$ kg per coulomb. The mass of the metal liberated at the cathode when a $$3$$ A current is passed for $$2$$ seconds will be

A

$$19.8 \times 10^{-7}$$ kg

B

$$9.9 \times 10^{-7}$$ kg

C

$$6.6 \times 10^{-7}$$ kg

D

$$1.1 \times 10^{-7}$$ kg