BRAINCAKEExample Question - 1
The mass concentration in gdm-3 is mass &div volume in dm-3
To convert the volume from cm3 to dm3 you divide by 1000.
A student heats 12.41g of hydrated sodium thiosulfate Na2S2O3.5H2O to remove the water of crystal;lisation.
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Key terms in this lesson
- Mole
- The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
- Mass concentration
- The mass of solute, in grams, dissolved in each dm3 of solution.
More in Amount of Substance
- Calculating the Number of Moles
- Example Question - 1
- Example Question - 2
- Mass Concentration
- Example Question - 2
- Molar Concentrations
- Example Question - 1
- Example Question - 2
All 33 lessons in Amount of Substance · All AQA AS-level Chemistry topics