Unit 2 - Molar Mass and Concentration

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Last updated 7:15 PM on 10/8/26
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11 Terms

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Concentration

a numerical comparison of the quantity of solute to the quantity

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concentrated solution

a solution containing a relatively large quantity of solute per unit volume

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concentration ratio

expresses the concentration of a solution.

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Molar concentration (molarity)

is the amount of moles of solute in one litre of solution (mol/L).

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A dilute solution

a solution containing a substance that has a relatively small quantity of solute per unit volume of solution.

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solution

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solute

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formula for concentration



The mole and concentration formula triangle or pyramid isolated on a white background. Relationship between concentration, moles, and volume with equations, c=n/V. Triangle used in chemistry. Stock Vector | Adobe Stock


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molar mass

the mass of one mole of a substance. 1 mole is 6.02 × 1023 molecules (avogrado’s number).

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formula for molar mass



Understanding the Mole and its Calculations | Edexcel GCSE Chemistry Revision


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In an acid, what is the difference between strength and concentration?

In an acid, strength describes the percentage of acid molecules that ionize, whilst concentration describes the number of acid molecules (ionized and unionized) per volume.