In effect of concentration on rate, why is it important to
havethe same potassiumin four reaction mixtures?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

In salt water solution,the salt is the blank

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?