N unknown weak acid, HA, it titrated with 0.6 M NaOH. The pH at the halfway point of this titration was found to be 4.215. If the initial pH of the weak acid solution (before titration) has a pH of 2.148, what was the concentration of the weak acid solution

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2

What is the chemical formula for the compound formed between sodium and flour one