Atoms to moles chemistry
[DOC File]Mole Calculation Worksheet - HUBBARD'S CHEMISTRY
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Element or Compound # of Moles Molar Mass in g/mol Mass in grams # of particles Hydrogen, H 1 mole 1.01 g/mol 1.01 g 6.02x1023 atoms Hydrogen, H 0.2 moles 1.01 g/mol 0.201 g 1.20x1023 atoms Lithium, Li 9.4 moles Oxygen, O 25g Water, H2O 2.20x1023 atoms Sodium, Na 0.23 moles Chlorine, Cl 127g Sodium Chloride, NaCl 1.20x1024 atoms Sulfur Dioxide ...
[DOC File]Chemistry I-Honors
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90.0 grams H2O / 18.0 g/mole = 5.00 moles of H2O = 10.00 moles of hydrogen C : H = 4.00 : 10.00 ( 2 :5 ( C2H5 If the compound in #5 is know to be a gas at STP conditions, and a 2.50-gram sample is known to occupy 96.6 ml, what is the true, or molecular, formula of this compound?
[DOC File]Mole Conversions Worksheet
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3.01 x 1022 atoms = 5 x 10-2 moles. 2. How many molecules are there in 4.00 moles of glucose, C6H12O6? 4.00 moles = 2.41 x 1024 molecules. 3. How many moles are 1.20 x 1025 atoms of phosphorous? 4. How many atoms are in 0.750 moles of zinc? 5. How many molecules are in 0.400 moles of N2O5? Mole-Mass Conversions. How many moles in 28 grams of CO2 ?
[DOC File]Mole Conversion Worksheet
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Determine how many moles of Gold atoms you have. Steps 1: Obviously, you are solving for moles. Step 2: Looking at the periodic table, you find that gold weighs 197 AMU, or 197 grams per mole. Your conversion factor is then 1 mole=197 grams.
[DOCX File]Mole Conversions Worksheet
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Chemistry 1B. Date: _____ High: MOL.2; Define one mole of a substance as 6.02 X 1023 particles. ... How many moles of magnesium are in 3.01 x 1022 atoms of magnesium? 2. How many molecules are there in 4.00 moles of glucose, C6H12O6? 3. How many moles are 1.20 x 1025 formula units of calcium iodide? 4. How many formula units are in 12.5 moles ...
[DOC File]Chemistry - Mole Notes
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Chemistry - Mole Notes. I. The Mole. A. When substances react they combine or break apart on the atom or molecule level. To describe what will happen in a reaction, a unit that can compare the number of atoms of each substance present is needed.
[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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EXAMPLE: How many moles of neon are there in 2.408 x 1024 atoms of neon? # moles Ne = 2.408 x 1024 atoms Ne x 1 mole Ne = 4.00 moles Ne. 6.02 x 1023 atoms of Ne. USE A SEPARATE SHEET OF PAPER TO SET-UP AND SOLVE THE FOLLOWING PROBLEMS. How many molecules are there in: How many moles are there in: 2.00 moles of ammonia? 6.
[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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EXAMPLE: How many moles of neon are there in 2.408 x 1024 atoms of neon? # moles Ne = 2.408 x 1024 atoms Ne x 1 mole Ne = 4.00 moles Ne. 6.02 x 1023 atoms of Ne *Notice that when converting between particles and moles, that the gram formula weight is …
[DOC File]THE MOLE - A-Level Chemistry
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Assuming we start with 2 moles of NaCl and 2 moles of H2O, we will make 2 moles of NaOH, and 1 mole of H2 and Cl2. So % atom economy = (2 x 40) x 100 = 52.3 % (2 x 40) + (1 x 2) + (1 x 71) The remaining 47.7% of the mass is converted into less useful products and is hence wasted.
Worksheet – Mole Conversions
How many atoms of oxygen are present in 5.00 moles of glucose, C6H12O6? 5.00 mol C6H12O6 x 6 mol O x 6.022 x 1023 atoms of O = 1.81 x 1025 atoms O. 1 mol C6H12O6 1 mol O. OR. 5.00 mol C6H12O6 x 6.022 x 1023 molecules C6H12O6 x 6 atoms of O = 1.81 x 1025 atoms O. 1 mol C6H12O6 1 molecule C6H12O6 ...
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