Problem: Equal volumes of two acids are titrated with 0.10 M NaOH resulting in the two titration curves shown in the following figureWhich curve corresponds to the more concentrated acid solution?

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In this problem, we are asked to determine which of the two titration curves corresponds to the more concentrated acid solution.

Titration curves help us to understand the neutralization occurring between an acid and base in order to identify the equivalence point.


We answer the problem by examining the titration curve given:

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Problem Details

Equal volumes of two acids are titrated with 0.10 M NaOH resulting in the two titration curves shown in the following figure

A line graph shows that the blue curve starts at a higher pH, increases quicker, and has a smaller increase at the equivalence point than the red curve. A line graph has milliliters NaOH on the X-axis, ranging from 0 to 50 with intervals of 10, and pH on the Y-axis, ranging from 0 to 12 with intervals of 2. The blue curve (to the left of the red curve) starts at a higher pH, increases quicker, and has a smaller increase at the equivalence point than the red curve.

Which curve corresponds to the more concentrated acid solution?

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