What is the ph of a 0.051 m solution of hcl?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)