Essential Chemistry for IGCSE - Chemical Calculations (Section 1 - No. 3)
If 2g of a substance is dissolved in 100cm³ of water, what is the first step to calculate the concentration?
Convert cm³ to dm³.
Convert grams to moles.
Multiply the mass of the substance and the volume of water.
Divide the mass by the volume.
Explanation
The volume needs to be converted into dm³ first.
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