Which statement concerning relative rates of reaction is correct for the chemical equation given below? A + 3B --> 2C a. the rate of disappearance of B is 3/2 of the rate of appearance of C b. the rate of disappearance of B is 3 times the rate of appearance of C c. the rate of disappearance of B is 1/2 of the rate of appearance of C d. the rate of disappearance of B is 2/3 of the rate of appearance of C e. the rate of disappearance of B is 1/3 of the rate of