? I’m a little confused

The concentration of an acid is a measure of the amount of available acid ions dissolved in a solvent. Concentration can be measured in moles, parts per million or percentage. The concentration is a ratio of the solute to solvent content of a solution.

Explanation:

Hope it helps

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

i believe the answer is true.