Final answer:
Water with a lower pH is indeed more likely to dissolve metals because the increased concentration of hydronium ions in more acidic water facilitates metal dissolution.
Step-by-step explanation:
True, water with a lower pH is more likely to dissolve metals. Water becomes more acidic as its pH value drops below 7, which means it has a higher concentration of hydronium ions (H3O+). The heightened acidity results from a larger number of free hydrogen ions in solution, as demonstrated when acids are added to water.
This can lead to the increased rate of dissolution of metal ions, as the acidic water can both provide more protons to interact with metal ions and reduce repulsion between protons associated with the metal ions, making it easier for these ions to be released into the solution. Moreover, metals tend to lose electrons and form positively charged ions in solution. The acidity of the water influenced by dissolved ions can enhance the dissolution of metal salts.