Saturation
Gases are most soluble at ______ temperature and ______ pressure.
What is low (1st blank) and high (2nd blank)?
Is CaCO3 soluble or insoluble in water?
What is insoluble?
What are the two formulas we consider when discussing concentration?
What are M = mol/L and ppm = (mass solute/mass solution)*(106)?
What is a physical change that results from adding solute to a solvent?
What type of separation method can separate a mixture of liquids based off of their boiling points?
What is distillation?
When 5 grams of KCl are dissolved in 50. grams of water at 25 degrees C, is the resulting mixture unsaturated, saturated, or supersaturated?
What is unsaturated?
Is Li2S soluble or insoluble?
What is soluble?
An aqueous solution has a mass of 490 grams containing 8.5 x 10-3 gram of calcium ions. The concentration (ppm) of calcium ions in this solution is...
What is 17 ppm?
What are two examples of colligative properties?
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:
Five grams of sand are stirred in a sample of water in a beaker for two hours over low heat.
What is a heterogeneous mixture?
An aqueous solution of NH4Cl is prepared by dissolving 90. grams of the solid in 100. grams of water at 60. degrees C.
Is this solution unsaturated, saturated, or supersaturated?
What is supersaturated?
What type of mixture is formed when 10.7 g of potassium iodide is mixed with 1.00 L of water?
What is a homogeneous mixture?
What is the molarity of a solution that contains 0.500 mole of KNO3 dissolved in 750 mL of solution?
What is 0.67 M?
How could the boiling point of an unsaturated solution of NaNO3 be increased?
What is dissolve more NaNO3 in the solution?
How is a homogeneous mixture represented in a chemical equation?
What is (aq)?
Using Table G, determine the minimum mass of NaCl that must be dissolved in 200. grams of water to produce a saturated solution at 90. degrees C.
what is 80. grams NaCl?
What type of mixture will be formed when 0.25 g of AgBr is mixed with 1.00 L of water?
What is a heterogeneous mixture?
A 2400 g sample of an aqueous solution contains 0.012 g of NH3. What is the concentration of NH3 in the solution, expressed as ppm?
Compared to an aqueous solution of NaCl, the boiling point AND freezing point of H2O is...
What is lower (boiling point) and higher (freezing point)?
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:
Two grams of potassium chloride are completely dissolved in a sample of water in a beaker.
What is a homogeneous mixture?
A solution is made by dissolving 70.0 grams of KNO3 (s) in 100. grams of water at 50.0 degrees C and standard pressure.
Determine the number of additional grams of KNO3 that must dissolve to make this solution saturated.
What is 14.0 grams?
What is insoluble?
When combined with group 2 ions that are lower on the periodic table, sulfates are insoluble (according to Table F).
Nine grams of SrCl2 (GFM = 159 g/mol) is dissolved in 2,000 mL of water. What is the concentration of SrCl2 in solution, expressed in molarity?
What is 0.03 M?
Which of the following solutions has a higher boiling point: 3.0M CaCl2 or 9.0M CaCl2?
What is 9.0M CaCl2?
What is solubility or polarity?