A titration curve from the full equilibrium: which indicator finds the equivalence point? changedclaude-science/example-gallery/chem-titration

Nearest release: v2.1.302, published under an hour after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 16 Oct 2026 16:02 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 20 Oct 2026 18:07 UTC.

Upstream edited 16 Oct 2026 16:02 UTC

Recorded here 20 Oct 2026 18:07 UTC

Lines+1added

Lines−7removed

From line 2 where the diff opens

First seen 16 Oct 2026 this site's first read of the page

Recorded edits2to this page, all time

The whole hunk

from line 2, old and new numbered

lines

from line 2

33> Solve the full equilibrium for 25.0 mL of 0.100 M acetic acid as 0.100 M NaOH is added, without the usual shortcuts.

5<div className="example-gallery-page">

6 <Frame>

7 <img className="block dark:hidden" src="https://mintcdn.com/claude-ai/F2QP9ubtYgT0edFI/images/claude-science/example-gallery/chem-titration-full-light.webp?fit=max&auto=format&n=F2QP9ubtYgT0edFI&q=85&s=37e8dfb5f136ac8d3872d9cd328d04be" alt="Left: acetic acid's titration curve, with pH 2.88 at the start, 4.76 half-way, and 8.73 at equivalence. Right: acetic acid and HCl with the methyl orange and phenolphthalein ranges shaded: for acetic acid, methyl orange turns 17.4 mL too early." width="1425" height="674" data-path="images/claude-science/example-gallery/chem-titration-full-light.webp" />

9 <img className="hidden dark:block" src="https://mintcdn.com/claude-ai/F2QP9ubtYgT0edFI/images/claude-science/example-gallery/chem-titration-full-dark.webp?fit=max&auto=format&n=F2QP9ubtYgT0edFI&q=85&s=34afada344f2f0f525f87785bab10ded" alt="Left: acetic acid's titration curve, with pH 2.88 at the start, 4.76 half-way, and 8.73 at equivalence. Right: acetic acid and HCl with the methyl orange and phenolphthalein ranges shaded: for acetic acid, methyl orange turns 17.4 mL too early." width="1425" height="674" data-path="images/claude-science/example-gallery/chem-titration-full-dark.webp" />

10 </Frame>

11</div>

5![Left: acetic acid's titration curve, with pH 2.88 at the start, 4.76 half-way, and 8.73 at equivalence. Right: acetic acid and HCl with the methyl orange and phenolphthalein ranges shaded: for acetic acid, methyl orange turns 17.4 mL too early.](https://mintcdn.com/claude-ai/F2QP9ubtYgT0edFI/images/claude-science/example-gallery/chem-titration-full-light.webp?fit=max\&auto=format\&n=F2QP9ubtYgT0edFI\&q=85\&s=37e8dfb5f136ac8d3872d9cd328d04be)

126

137The numbers in your session might differ from this picture and from the summary in [Reference analysis](#reference-analysis).

148