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ACT
ACT Science Section

Solubility Increase with Temperature

Very Hard Data Representation Understanding Graphs And Tables

A chemist is studying the relationship between temperature and the solubility of a salt (Salt X) in water. The following table summarizes the solubility (in grams per 100 mL of water) of Salt X at various temperatures:

Temperature (°C)Solubility (g/100 mL)
010
2020
4030
6045
8070

Based on this table, what is the increase in the solubility of Salt X in grams per 100 mL when the temperature is raised from 40°C to 80°C?

Hint

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