parts a and b please!

13 of 19 At Review I Constante I Periodlo Tab Part A The rate constant for a certain reaction is k=5.30x103s1. If the inlilial reactant concentration was 0.400.M, what wel the concentration be after 10.0 minuted? Express your answer with the appropriate units. Part B A zero-order reaction has a constant rate of 5.00104M/4. If aher 75.0 seconde the concentration hat dropped ta 8.00102M. What was the intial concentrafion? Express your answer with the appropriate units. View Available IUnt(a) (P) Pearson