The second-order rate constant for the dimerization of a protein (P)is 6.2 × 10−3/M • s at...

The second-order rate constant for the dimerization of a protein (P)

is 6.2 × 10−3/M • s at 25°C. If the concentration of the protein is 2.7 × 10−4 M, calculate the initial rate (M/s) of formation of P2. How long (in seconds) will it take to decrease the concentration of P to 2.7 × 10−5 M?