Converting grams of an element to moles
[DOCX File]Moles and Stoichiometry Notes
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of each element. Practice: Calculate the empirical formula of a compound that has 5.34g of carbon, 0.42g of H, and 47.08g of chlorine. Steps to determine molecular formulasEx: Molar mass is 60.00 g/mol and the empirical formula is CH 4 N.
[DOC File]Mole Calculation Worksheet
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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 ...
[DOCX File]I Can Statements:
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Converting moles of an element or compound to grams (mass) Converting grams (mass) of an element or compound to moles . Converting grams (mass) or moles to particles. Converting particles to grams (mass) or moles. 7.4% Composition and Empirical Formulas. Calculating % Composition.
[DOC File]Mole Conversion Worksheet
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Example: You are massing a 24 K gold chain, and find that it weighs 400 grams. 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.
[DOC File]Unit 5 Review Sheet
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15.7 moles Li. d.) How many moles of AlPO4 are in 7.55 x 1023 formula units of AlPO4. 1.25 moles AlPO4. II. Converting between moles and grams. 1. What is molar mass?-- What are the units for molar mass? Ex: What is the molar mass of NaBr? Ca(OH)2? 2. The molar mass of a compound (or element) is used when converting . between grams and moles
[DOC File]AP Chemistry - Notes - Chapter 3
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Converting grams of H2 to moles H2 : Since the 200.0 g of N2 equates to a smaller quantity of H2 than what is available, N2 is the limiting reactant. Or, to put it another way, since the 100.0g of H2 present is much more than needed for the 200.0 g of N2, H2 is the excess reactant.
[DOC File]Mole Conversion Worksheet
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2. How many molecules are there in 4.00 moles of glucose, C6H12O6? 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 ? Gram-formula-mass of CO2. 1 C = 1 x 12.01 g = 12.01 g. 2 O = 2 x 16 ...
[DOC File]Chapter 11 – The Mole
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Molar mass of an element. Equivalent to atomic mass. Unit is g/mol. Molar mass of C = Molar mass of Ra = Converting moles to mass. Ex] Calculate the mass in grams of 0.045 moles of chromium. Step 1 – Determine molar mass of Cr. Step 2 – Use molar mass to convert known number of . moles to grams. Ex] Calculate the mass in grams of 0.197 ...
[DOCX File]tigerweb.towson.edu
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2. a. Use the molar mass of sodium sulfate as a “conversion factor” to calculate the moles of sodium sulfate. In terms of the stoichiometry strategy, the molar mass allows you to convert a Quantity A to mol A or mol B to Quantity B. There are 142.05 grams of Na. 2 SO 4 in 1 mole of Na 2 SO 4. Let the units decide how to set up the problem.
[DOC File]Chapter 7 The Mole and Chemical Composition
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One step common to many problems in chemistry is converting to amount in moles. Converting Between Mass, Amount, and Number of Particles. Converting Number of Particles to Mass. Sample Problem C (Page Number ___231_____) Find the mass in grams of 2.44 ( 1024 atoms of carbon, whose molar mass is 12.01 g/mol. Sample Problem C Solution. First part:
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