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Interpretation:
To determine whether each o the following solutions will be saturated or unsaturated at 20oC.. by using the following table.
Solubility (g/100 g H2O) | ||
Solutions | 200C | 500C |
KCl | 34 | 43 |
NaNO3 | 88 | 110 |
C12H22O11(sugar) | 204 | 260 |
a. Adding 25g of KCl to 100 g of H2O.
b. Adding 11 g of NaNO3 to 25 g of H2O.
c. Adding 400g of sugar to 125 g of H2O.
Concept introduction:
Solubility: It is defined as the amount of a given substance that can be dissolved in the certain amount of solvent.
Depending upon the solubility and nature of solutions they can be divided into two types.
A saturated solution contains the maximum quantity of a solute that dissolves at that temperature.
An unsaturated solution contain less than the maximum amount of solute that can dissolves at a particular temperature.
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Chapter 12 Solutions
Pearson eText Basic Chemistry -- Instant Access (Pearson+)
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- The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the solution made up primarily of (i) H2SO4 molecules only? (ii) H+ and HSO4- ions? (iii) 2H+ and 1SO42- ions?arrow_forward6-103 A swimming pool containing 20,000. L of water is chlorinated to have a final CI2 concentration of 0.00500 M. What is the CI2 concentration in ppm? How many kilograms of CI2 were added to the swimming pool to reach this concentration?arrow_forwardNaCl is dissolved in water until no more will go into solution. At this point the solution is 1. saturated 2. unsaturated 3. supersaturated 4. partially saturated O 2 О 4arrow_forward
- A salt has a solubility of 1.56 g/L at 25 °C, and a solubility of 2.67 g/L at 40 °C. Does that indicate the solution reaction is exothermic or endothermic? Select one: O exothermic endothermic O Neither exothermic or endothermicarrow_forwardA 50-g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at 20 degrees C) is contaminated with 10 percent of KCl (solubility = 25.5 g per 100 g of H2O at 20 degrees C). Calculate the minimum quantity of 20 degrees C water needed to dissolve all the KCl from the sample. How much KClO3 will be after this treatment?arrow_forwardAt what temperature solubility of potassium Chlorate (KCIO3) is 51grams О а. 1200 с O b. 60° c О с. 900 с O d. 40° carrow_forward
- a. Calculate the freezing temperature of 1.50 m urea,N2H4CO. Urea is a covalent compound.b. Calculate the freezing temperature of 1.50 m LiBr, anionic compound.arrow_forwardDefine X1 and X2: 1) Hydration of butene-1 (formation of X1) 2) Dehydration of X1 (Formation of X2) BI IIarrow_forwardIf 65 g of NH4Cl are added to 100 g of water at 50 °C, how many grams of NH4Cl will not dissolve?arrow_forward
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