Please help me out with this problem. Thank you in advance.
Some measurements of the initial rate of a certain reaction are given in the table below. [H2]  initial rate of reaction 0.895M 1.82Mr 73.0M/s2.99 M 1.82 M 244. M/s0.895 M 0.899 M 36.1 M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 2 signiﬁcant digits. Also be sure your answer has the correct unit symbol.