How can you explain even though you continue to add pure water into a substance, even though the resultant pH might differ a little, the acidity or alkalinity of the substance still remains the same to that of substance?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

What is the mass of 0.750 mole of aluminum oxide, al2o3?

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?