Solubility curves

1 mark · Normal

Which feature must be present when plotting a solubility curve from data in a table?

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Correct option: A line or curve smoothly joining the points

Show mark scheme and worked solution

Marking points

B1 · 1 mark · Chooses 'A line or curve smoothly joining the points'.

Worked solution

A solubility curve is drawn by marking points and then drawing a smooth curve or line of best fit through them, not bars.