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[DOC File]Balancing Synthesis and Decomposition reactions
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NutraSweet is 57.14% C, 6.16% H, 9.52% N, and 27.18% O. Calculate the empirical formula of NutraSweet and find the molecular formula. (The molar mass of NutraSweet is 294.30 g/mol) 1
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Molar mass tells us the mass (“weight”) of 1 mol ofan atom or compound. In each case . we simply calculate the sum of the “weights” of the atoms in the formula to determine the weight of a mole. These weights can be found on the periodic table. EXAMPLE: Calculate the molar mass (gram molecular weight) of a mole of iodine, I2.
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[DOC File]Chemistry 1-2 Review Problem Set
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Find the molecular weight of each compound. 4. BaI2 5. AgC2H3O2 Convert. 6. 0.4 moles of Sn to atoms. 7. 32 g of K2O to molecules. 8. 800. g of CaCl2 to moles. 9. 0.75 moles of H2O to grams. 10. 9.0 g of Cl2 to atoms. Find the percent composition for each element in the compound. 11. Mn2O7 12. AuNO3 Empirical and Molecular Formulas. 13.
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[DOC File]Molar Mass Percent Composition
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Title: Molar Mass Percent Composition Subject: Chemistry Author: Jeff Christopherson Last modified by: UNIT5 Created Date: 1/24/2004 11:21:00 PM Company
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[DOC File]Calculations
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1 mole = molecular weight (g) 1 mmole = molecular weight (mg) 1 mole = molecular weight ( g) 1 nmole = molecular weight (ng) When to use the molecular weight: Molecular weights are used in calculations when you want to convert from concentrations expressed in Molar units (M, mM, M etc) to concentrations expressed in g/L, g/100 mL, % (w/v), mg/mL and vice versa.
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[DOC File]Empirical and Molecular Formula Worksheet
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SHOW WORK ON A SEPARATE SHEET OF PAPER. Write the empirical formula for the following compounds. 1) C6H6. 2) C8H18 . 3) WO2 . 4) C2H6O2 . 5) X39Y13 . 6) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole.
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Molar mass tells us the mass (“weight”) of 1 mol of an atom or compound. In each case . we simply calculate the sum of the “weights” of the atoms in the formula to determine the weight of a mole. These weights can be found on the periodic table. EXAMPLE: Calculate the molar mass (gram molec ular weight) of a mole of iodine, I2.
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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c. 3.12 x 1021 formula units of iron (III) sulfide _____ d. 4.30 x 1027 molecules of carbon monoxide gas _____ 2. Find the number of moles in: a. 1.25 grams of strontium nitrate _____ b. 0.570 g of chlorine gas (Cl2) _____ 3. How many formula units are in 225 g of lithium oxide?
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[DOC File]Mole Conversion Worksheet
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1 mol = g-formula-mass (periodic table) 1 mol = 22.4 L for a gas at STP. Each equality can be written as a set of two conversion factors. They are: Step 1: Determine what you are solving for: moles or grams. Step 2: Create a conversion factor by using your periodic table to find the atomic weight of the element/compound you are given. Step 3
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[DOC File]Methods of Polymer Molecular Weight Characterizations
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Overview of Principles for Polymer Molecular Weight Characterization. Introduction. Since molecular weight is central to the entire polymer field, students in this short course are assumed to understand the need for measuring polymer molecular weight and to be familiar, from textbooks or course notes, with the basic principles underlying the most common molecular weight measurement techniques ...
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Molecular formula weight calculator