How are H+ and H3O+ related?

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

let that person have a turn to speak : )

a) the particles of the chair are strongly held together.