Answer :
Final answer:
A logical and scientifically sound hypothesis about how the concentration of acid affects limestone dissolution is that increasing the concentration of acid will result in more limestone dissolution. This aligns with scientific knowledge of acid-base reactions and is testable and falsifiable.
Explanation:
To construct a hypothesis about how various concentrations of acid affect the amount of limestone dissolution, we must consider the principles of acid-base reactions. A valid hypothesis for a scientific experiment needs to be testable and falsifiable, as well as logical and based on scientific knowledge.
A plausible hypothesis considering the chemistry involved would be: If the concentration of acid is increased, then more limestone will dissolve. This is because, according to the principles of chemistry, higher acid concentrations generally increase the rate of reaction with carbonates, such as limestone, leading to a greater amount of dissolution.
On the other hand, the hypothesis Lower acid concentrations will dissolve more limestone does not align with the known science, nor does the hypothesis stating Acid concentration does not affect limestone dissolution. Both could be easily refuted through experimentation. Lastly, the hypothesis that Limestone dissolution is inversely proportional to acid concentration contradicts our understanding of acid-base reactions and could therefore be considered incorrect and not useful.
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