Essential Chemistry for IGCSE - Chemical Calculations (Section 1 - No. 50)
Which of the following is NOT a key point relating to solution concentration?
Solution concentration is calculated as number of moles dissolved in 1 dm³
The mass of solute dissolved in a solution can be found if the concentration and volume of a solution are known, as well as the relative formula mass.
We can use titration to calculate an unknown solution concentration.
The concentration of a solution can be calculated if the mass of solute is known.
Explanation
The other answers are all described in the text, but finding concentration does not require the mass alone.
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