The MoleThe central quantity in chemistry, and the three conversions built on it.ChemistryOne mole is Avogadro's number of particles: 6.022× 10²³.n = m/M · n = N/Nₐ · n = V/24 (dm³, RTP)18 g of water1 molM = 18 g/mol.1 mol of any gas at RTP24 dm³Molar gas volume.0.5 mol3.011 × 10²³ particlesTHE COMMON MISTAKEUsing mass ratios directly from an equationConverting to moles firstEquation coefficients are mole ratios, not mass ratios. Skipping the conversiongives the wrong answer every time.Concentration: c = n/V, with V in dm³. 1 dm³ = 1 litre = 1000 cm³.The Molelearnposters.com
The Mole — printable physical science wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the The Mole poster

The rule, 3 worked examples, and the mistake everyone makes.

Concentration: c = n/V, with V in dm³. 1 dm³ = 1 litre = 1000 cm³.

Questions about the The Mole poster

What’s on the The Mole (General chemistry) poster?
The rule, 3 worked examples, and the mistake everyone makes. One mole is Avogadro's number of particles: 6.022 × 10²³.; n = m/M · n = N/Nₐ · n = V/24 (dm³, RTP); 18 g of water = 1 mol; 1 mol of any gas at RTP = 24 dm³; 0.5 mol = 3.011 × 10²³ particles; Common mistake: Using mass ratios directly from an equation → Converting to moles first. Concentration: c = n/V, with V in dm³. 1 dm³ = 1 litre = 1000 cm³.
Who is the The Mole (General chemistry) poster for?
The Mole (General chemistry) belongs to the Chemistry section rather than to a school year, because physical science is not something one grade owns. Anyone learning general chemistry can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the The Mole (General chemistry) poster?
The mole connects mass, particles and volume. Every calculation routes through it. A wall chart earns its place by being glanceable from where the work is happening, so The Mole (General chemistry) belongs on the wall where that physical science work actually happens, within glancing distance, rather than filed away.
What other posters go with The Mole (General chemistry)?
Acids & Bases, Atomic Structure and Balancing Equations sit alongside The Mole (General chemistry) in the Chemistry section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Acids & BasesAtomic StructureBalancing Equations
Is the The Mole (General chemistry) poster free to download and print?
Yes. The Mole (General chemistry) 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 The Mole (General chemistry) poster print at?
The Mole (General chemistry) 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 The Mole (General chemistry) loses nothing.Printing guide

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