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1. Ice is less dense than water because ice has a larger structure and it has a hexagonal shape which helps it float on water. On the other hand,  water has a bent shape. 

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1. Ice is less dense than water because ice has a larger structure and it has a hexagonal shape which helps it float on water. On the other hand,  water has a bent shape. 

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Hydrogen bonds are bonds between two molecules.

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Solvent is what is making the solute dissolve. Solute is what is dissolving in the solution, and a solution is a mixture of both solvent and solute.

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5.  The solubility of a gas increases, as temperature increases.  6. The solubility of a solid increases, as the temperature increases. 

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5.  The solubility of a gas increases, as temperature increases.  6. The solubility of a solid increases, as the temperature increases. 

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7. Three things that increase the rate of solution formation: 

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7. Three things that increase the rate of solution formation: 

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- Agitating the mixture
- Crushing solute
- changing the temperature

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8. What is the difference between concentrated and dilute solutions?  

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8. What is the difference between concentrated and dilute solutions?  

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A concentrated solution is a solution that has a large amount of solute in it. A dilute solution, there is more solvent than solute in it.

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9.  What is the Molarity formula? What is the molarity of a solution containing 10 moles of solute in 2.0 L of solution?  

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9.  What is the Molarity formula? What is the molarity of a solution containing 10 moles of solute in 2.0 L of solution?  

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HINT: Divide moles by Liters
10 M / 2.0 L = 5 M

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10. What is the Dilution formula? How many mL of 4 M NaBr solution are needed to make 600 mL of 1.0 M NaBr? 

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10. What is the Dilution formula? How many mL of 4 M NaBr solution are needed to make 600 mL of 1.0 M NaBr? 

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Formula- M1V1 = M2V2
4 = 1.0 M x 600 mL
---------------------------- = 150 mL
4

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grams of  solute          temperature          substance           type of solution
20g                                  20                         NaCl                       unsaturated
60g                                  60                          KNO3                     unsaturated
60g 90 KBr unsaturated

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12. What substance has the greatest solubility at 50C? 

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12. What substance has the greatest solubility at 50C? 

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NaClO3