The following pictures represent aqueous solutions of three acids HA (A = X,Y,or Z) ;water molecules have been omitted for clarity. 
-Which acid solution has the lowest pH?
Definitions:
Lower Cost
A situation where the expenses involved in producing a good or service are reduced, leading to potential savings.
Social Regulation
Rules imposed by government aimed at improving societal welfare, focusing on areas such as health, safety, and the environment, rather than on economic matters.
Natural Monopoly
A market structure where a single firm can produce at a lower cost than can two or more firms, justifying limited competition.
Unintended
Refers to effects or outcomes that were not anticipated or planned for.
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