I want 1.0 L of buffer solution of pH 5.0, that can tolerate the addition of 0.3 mol HCl with out the pH changing more than 0.1 pH unit. Describe how to prepare this solution

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere