2. properties of solutions
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Transcript of 2. properties of solutions
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Solutions: Solute & Solvent
By: JINKY N. ORAIZ
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Let’s Recall:What is a
SOLUTION?
Solutions are homogeneous
mixtures of two or more substances
(that means, they are uniform all throughout)
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Let’s Recall:What is a
SOLUTION?
Solutions Have a single
phase system (that means, it is
uniform in it’s phase throughout)
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Let’s Recall:What is a
SOLUTION?
Solutions consist of a solvent
and one or more solutes
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Solutions: Solute and Solvent
A solution is composed of a solvent and one or more solutes
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Solutions: Solute and Solvent
Solvent = WATERSolute = SALT
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Solutions: Solute and Solvent
Solvent = WATERSolute = White Sugar
White Sugar and Water
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Natural or Manufactured? Natural Solutions
Air – oxygen and other gasses dissolved in nitrogenRain – oxygen and CO2 dissolved in waterSea Water – salt and other mineral dissolved in water
Manufactured or Processed
Vinegar – 5% acetic acid mixed in waterGasoline – mixture of different hydrocarbonsMetal Alloy –
steel = brass and tinbrass = copper and zinc
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SOLUTIONS
Any Questions?
QUIZ TIME!
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Identify the Solute and Solvent
Blue Dye
Water
1.
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Identify the Solute and Solvent
Water
Fresh Orange Juice
2.
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Identify the Solute and Solvent
20% Oxygen Gas
80% Nitrogen Gas
3.
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Identify the Solute and Solvent
Coffee Powder
Hot Water
4.
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Identify the Solute and Solvent
Gold Fish 5.
Water
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Identify the Solute and the Solvent
in the following solutions:
6. 2 g sugar, and 100 mL water
7. 60.0 mL of ethyl alcohol, and 30.0 mL of methyl alcohol
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Identify the Solute and the Solvent
in the following solutions:
8. 55 mL water, and 1.5 g sodium chloride
9. (Air) 200 mL Oxygen gas, and 800 mL Nitrogen gas
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Identify the Solute and the Solvent
in the following solutions:
10. 10 ml. corn oil, and100 ml. water
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SOLUTIONS
Let’s Check Your
Answers!
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Identify the Solute and Solvent
Blue Dye
Water
1. Solute = Blue Dye Solvent = Water
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Identify the Solute and Solvent
Water
Fresh Orange Juice
2. Solute = Fresh Orange Juice Solvent = Water
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Identify the Solute and Solvent
Oxygen
Nitrogen
3. Solute = Oxygen Gas Solvent = Nitrogen Gas
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Identify the Solute and Solvent
Coffee Powder
Hot Water
4. Solute = Coffee Powder Solvent = Hot Water
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Identify the Solute and Solvent
Gold Fish
Water
5. No solute, no solvent because this is NOT a solution
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Identify the Solute and the Solvent
in the following solutions:
6. 2 g sugar = Solute100 mL water = solvent
7. 60.0 mL of ethyl alcohol = solvent30.0 mL of methyl alcohol = solute
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Identify the Solute and the Solvent
in the following solutions:
8. 55 mL water = solvent1.5 g sodium chloride = solute
9. (Air) 200 mL Oxygen gas = solute800 mL Nitrogen gas = solvent
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Identify the Solute and the Solvent
in the following solutions:
10. 10 ml. corn oil, and100 ml. water
ANSWER : Not a solution because water and oil mixture is not homogeneous.
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Don’t Forget Your Assignment
Bring the following materials:1 glass water1 tbsp. sugar1 tbsp. salt1 tbsp. mongo beans1 tbsp. uncooked rice1 tbsp. vinegar1 tbsp. cooking oil1 tbsp. pebbles or sandSpoon or stirrerSmall sieve / filter
Individual : Short bond paper and ruler