Question

At 19.9 degrees Celsius, we dissolve a salt crystal.

The Red dot on the graph in the image above represents the time it took to dissolve this salt crystal and the temperature at which it dissolved.
What temperature is represented by the red dot?
Enter the number of degrees Celsius only; no units.

Answer 1

Answer:

The red dot represents the melting point of the element, which as stated is approximately 19.9 degrees Celsius and how long it took for the heat to properly completely dissolve it.

The question kind of answers itself however, is there a way to re-word it or is there a different answer you're looking for?

Answer 2

The temperature i,e represented by the red dot is 19.9 degrees.

Calculation of the temperature;

Since the Red dot on the graph shows for dissolve this salt crystal and the temperature at which it dissolved. So here the red dot shows the element melting point i.e. 19.9 degrees and also it should be take so much time for heating it properly for completely dissolving it.

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