Tasks

Answer the questions below. Submit your answers to the 7.04 Solubility Dropbox.

  1. Why do warm sodas fizz more than cold sodas when opened?

  2. What three things can you do to increase the rate of dissolving of a solid in a liquid?

  3. Use the solubility curve above to determine how much KCl will dissolve in 100 grams of water at 50oC.

  4. If you want to dissolve 50 grams of NH4Cl (ammonium chloride) in 100 grams of water, what should the temperature of the water be?

  5. How many grams of KNO3 can you dissolve in 100 grams of water at 70oC?

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