What’s on the Dilutions poster
The rule, 3 worked examples, and the mistake everyone makes.
- The number of moles is unchanged by dilution.
- c₁V₁ = c₂V₂
- 25 cm³ of 2.0 M diluted to 100 cm³ = 0.50 M
- Dilution factor 10 = Concentration ÷ 10
- Serial 1:10, three times = 1000-fold overall
- Common mistake: Adding solvent to reach a total volume by measurement → Making up to…
Serial dilution reaches very low concentrations accurately, because each step is a manageable ratio.
Questions about the Dilutions poster
- What’s on the Dilutions poster?
- The rule, 3 worked examples, and the mistake everyone makes. The number of moles is unchanged by dilution.; c₁V₁ = c₂V₂; 25 cm³ of 2.0 M diluted to 100 cm³ = 0.50 M; Dilution factor 10 = Concentration ÷ 10; Serial 1:10, three times = 1000-fold overall; Common mistake: Adding solvent to reach a total volume by measurement → Making up to…. Serial dilution reaches very low concentrations accurately, because each step is a manageable ratio.
- Who is the Dilutions poster for?
- Dilutions belongs to the Chemistry section rather than to a school year, because physical science is not something one grade owns. Anyone learning calculations can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Dilutions poster?
- Moles do not change when you add solvent. That is why c₁V₁ = c₂V₂ works. A wall chart earns its place by being glanceable from where the work is happening, so Dilutions belongs on the wall where that physical science work actually happens, within glancing distance, rather than filed away.
- What other posters go with Dilutions?
- Atom Economy, Formula Summary and Concentration sit alongside Dilutions in the Chemistry section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Atom EconomyFormula SummaryConcentration
- Is the Dilutions poster free to download and print?
- Yes. Dilutions downloads as a free PDF with no account, no email and no watermark, like everything else in the Chemistry section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Dilutions poster print at?
- Dilutions is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Dilutions loses nothing.Printing guide
Related posters
Charts that sit alongside Dilutions on the same wall.
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