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Categories Could you put an image here?
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500 400 300 200 100 Toxicity Concentrated Solutions 10 23 Weight For It What’s the Word?
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Categories 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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Categories What's the Word? Response 100 Points What is a solute?
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Categories 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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Categories What is a solvent? What's the Word? Response 200 Points
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Categories What's the Word? Prompt 300 Points These substances dissolve completely.
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Categories What's the Word? Response 300 Points What is soluble?
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Categories 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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Categories What is molar mass? What's the Word? Response 400 Points
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Categories 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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Categories What is Molarity? What's the Word? Response 500 Points
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Categories This is the mass of 1 mole of H 2 O. Weight For It Prompt 100 Points
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Categories Weight For It Response 100 Points What is 18 g? H 2 O = (1 x 2) + (16 x 1) = 18 g
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Categories Weight For It Prompt 200 Points This is the mass of 1 mole of C 6 H 12 O 6.
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Categories What is 180 g? C 6 H 12 O 6 = (12 x 6) + (1 x 12) + (16 x 6) = 180 g Weight For It Response 200 Points
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Categories Weight For It Prompt 300 Points Which is heavier: 1 mole of NaCl or 1 mole of KCl?
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Categories Weight For It Response 300 Points What is KCl? NaCl = 23 + 35 = 58 g KCl = 39 + 35 = 74 g
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Categories How many grams would 2 moles of LiCl weigh? Weight For It Prompt 400 Points
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Categories What is 84 g? LiCl = (7 + 35) x 2 = 84 g Weight For It Response 400 Points
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Categories Would 1 mole of CaCl 2 or 2 moles of HF weigh more? Weight For It Prompt 500 Points
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Categories What is CaCl 2 ? CaCl 2 = 40 + (35 x 2) = 110 g HF = (1 + 19) x 2 = 40 g Weight For It Response 500 Points
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Categories This man discovered the number of molecules in 1 mole is 6.02 x 10 23. 10 23 Prompt 100 Points
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Categories 10 23 Response 100 Points Who is Avogadro?
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Categories 10 23 Prompt 200 Points 1 mole of H 2 O is equal to this many molecules.
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Categories What is 6.02 x 10 23 ? 10 23 Response 200 Points
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Categories 10 23 Prompt 300 Points 0.5 mole of H 2 O is equal to this many molecules.
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Categories 10 23 Response 300 Points What is 3.01 x 10 23 ?
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Categories How many molecules are in 32 g of O 2 ? 10 23 Prompt 400 Points
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Categories What is 6.02 x 10 23 ? 10 23 Response 400 Points
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Categories If there are 1.204 x 10 24 molecules of NO, how much does NO weigh? 10 23 Prompt 500 Points
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Categories What is 60 g? NO = (14 + 16) x 2 = 60 g 10 23 Response 500 Points
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Categories If you have 1 mole of NaCl in 1 liter of H 2 O, this is the Molarity. Concentrated Solutions Prompt 100 Points
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Categories Concentrated Solutions Response 100 Points What is 1 Molarity? 1 mole solute/1 liter of solvent = 1 Molarity
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Categories 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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Categories What is 74 g? 1 mole = molar mass Concentrated Solutions Response 200 Points
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Categories Concentrated Solutions Prompt 300 Points 1.0 Molarity of CuCl 2 has 133 g in 1 liter of H 2 O. This Molarity is for 13.3 g of CuCl 2 in 1 liter of H 2 O.
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Categories Concentrated Solutions Response 300 Points What is 0.1 Molarity? In 1 liter, move the decimal to the left.
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Categories 1.0 Molarity of KCl has 74 g in 1 liter of H 2 O. This molarity is for 7.4 g of KCl in 0.1 liter of H 2 O. Concentrated Solutions Prompt 400 Points
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Categories 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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Categories 1.0 Molarity of KCl has 74 g in 1 liter of H 2 O. This number of moles is for 7.4 g of KCl in 0.1 liter of H 2 O. Concentrated Solutions Prompt 500 Points
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Categories 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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Categories Is water toxic? Toxicity Prompt 100 Points
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Categories Toxicity Response 100 Points What is yes! Everything is toxic.
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Categories Toxicity Prompt 200 Points This is the amount of an ingested substance that kills 50% of a test sample.
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Categories What is lethal dose (LD 50 )? Toxicity Response 200 Points
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Categories 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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Categories Toxicity Response 300 Points What is 56.8 kg? 125/2.2 = 56.8 kg
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Categories 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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Categories What is 409,090 mg? (30/2.2) x 30,000 = 409,090 mg Toxicity Response 400 Points
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Categories What is more toxic: 1 mole of mercury or 100g of mercury? Toxicity Prompt 500 Points
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Categories What is 1 mole? 1 mole = 200 g **Comparing LD 50 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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Categories Put some closing remark here
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Categories The Daily Double
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