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ToxicityConcentratedSolutions
1023WeightFor It
What’s theWord?
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This word is a gas, liquid, or solid that dissolves when mixed with another
substance that is usually water.
What's the Word? Prompt 100 Points
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What's the Word? Response 100 Points
What is a solute?
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What's the Word? Prompt 200 Points
This substance is present in the greatest quantity in a solution. It is usually water, but almost always a
liquid.
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What is a solvent?
What's the Word? Response 200 Points
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What's the Word? Prompt 300 Points
These substances dissolve completely.
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What's the Word? Response 300 Points
What is soluble?
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This is the sum of the atomic masses (in grams) of a chemical formula.
What's the Word? Prompt 400 Points
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What is molar mass?
What's the Word? Response 400 Points
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This chemical unit is the amount of moles of solute per liter of solvent.
What's the Word? Prompt 500 Points
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What is Molarity?
What's the Word? Response 500 Points
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This is the mass of 1 mole of H2O.
Weight For It Prompt 100 Points
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Weight For It Response 100 Points
What is 18 g?
H2O = (1 x 2) + (16 x 1) = 18 g
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Weight For It Prompt 200 Points
This is the mass of 1 mole of C6H12O6.
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What is 180 g?
C6H12O6 = (12 x 6) + (1 x 12) + (16 x 6) = 180 g
Weight For It Response 200 Points
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Weight For It Prompt 300 Points
Which is heavier: 1 mole of NaCl or 1
mole of KCl?
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Weight For It Response 300 Points
What is KCl?
NaCl = 23 + 35 = 58 g
KCl = 39 + 35 = 74 g
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How many grams would 2 moles of LiCl weigh?
Weight For It Prompt 400 Points
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What is 84 g?
LiCl = (7 + 35) x 2 = 84 g
Weight For It Response 400 Points
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Would 1 mole of CaCl2 or 2 moles of HF weigh more?
Weight For It Prompt 500 Points
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What is CaCl2?
CaCl2 = 40 + (35 x 2) = 110 g
HF = (1 + 19) x 2 = 40 g
Weight For It Response 500 Points
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This man discovered the number of molecules in 1 mole is 6.02 x 1023.
1023 Prompt 100 Points
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1023 Response 100 Points
Who is Avogadro?
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1023 Prompt 200 Points
1 mole of H2O is equal to this many molecules.
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What is 6.02 x 1023?
1023 Response 200 Points
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1023 Prompt 300 Points
0.5 mole of H2O is equal to this many molecules.
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1023 Response 300 Points
What is 3.01 x 1023?
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How many molecules are in 32 g of O2?
1023 Prompt 400 Points
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What is 6.02 x 1023?
1023 Response 400 Points
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If there are 1.204 x 1024 molecules of NO, how much does NO weigh?
1023 Prompt 500 Points
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What is 60 g?
NO = (14 + 16) x 2 = 60 g
1023 Response 500 Points
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If you have 1 mole of NaCl in 1 liter of H2O, this is the Molarity.
Concentrated Solutions Prompt 100 Points
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Concentrated Solutions Response 100 Points
What is 1 Molarity?
1 mole solute/1 liter of solvent = 1 Molarity
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Concentrated Solutions Prompt 200 Points
If you have 1 Molarity of KCl, this is how many grams of KCl there are in
solution.
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What is 74 g?
1 mole = molar mass
Concentrated Solutions Response 200 Points
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Concentrated Solutions Prompt 300 Points
1.0 Molarity of CuCl2 has 133 g in 1 liter of H2O. This Molarity is for 13.3
g of CuCl2 in 1 liter of H2O.
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Concentrated Solutions Response 300 Points
What is 0.1 Molarity?
In 1 liter, move the decimal to the left.
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1.0 Molarity of KCl has 74 g in 1 liter of H2O. This molarity is for 7.4 g of
KCl in 0.1 liter of H2O.
Concentrated Solutions Prompt 400 Points
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What is 1.0 Molarity?
Pretend it’s in 1 liter, move the decimal to the left. If it’s in 0.1 liter
(or 100 mL), move the decimal to the right.
Concentrated Solutions Response 400 Points
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1.0 Molarity of KCl has 74 g in 1 liter of H2O. This number of moles is for
7.4 g of KCl in 0.1 liter of H2O.
Concentrated Solutions Prompt 500 Points
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What is 0.1 moles?
74 g of KCl is 1 mole, in 1 liter is 1.0 Molarity. Move the decimal to the left to get 0.1 Molarity when it is 7.4 g. It is 0.1 moles. **Moles do not change
with volume**
Concentrated Solutions Response 500 Points
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Is water toxic?
Toxicity Prompt 100 Points
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Toxicity Response 100 Points
What is yes!
Everything is toxic.
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Toxicity Prompt 200 Points
This is the amount of an ingested substance that kills 50% of a test
sample.
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What is lethal dose (LD50)?
Toxicity Response 200 Points
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Toxicity Prompt 300 Points
If a person weighs 125 pounds, this is that person’s weight in kg.
*1 kg = 2.2 lbs
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Toxicity Response 300 Points
What is 56.8 kg?
125/2.2 = 56.8 kg
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The toxic dose of sugar is 30,000 mg. If a child weighs 30 pounds, how
many mg of sugar is lethal?
Toxicity Prompt 400 Points
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What is 409,090 mg?
(30/2.2) x 30,000 = 409,090 mg
Toxicity Response 400 Points
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What is more toxic: 1 mole of mercury or 100g of mercury?
Toxicity Prompt 500 Points
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What is 1 mole?
1 mole = 200 g
**Comparing LD50 of different chemicals, the lowest is the most
toxic. If it’s the same chemical, the more you have, the more toxic it is.
Toxicity Response 500 Points
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Put some closing remark here
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The Daily Double
