Percent composition chemistry worksheets
[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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Find the percent composition (by mass) of nitric acid. % N = _____ % O = _____ % H = _____ a. What mass of nitric acid contains 12.0 g of nitrogen? _____ 7. Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. _____ MOLE WORKSHEET NAME: DATE: 1. Determine the mass of ...
[DOC File]Percent Composition Worksheet
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To find the percent composition of red M&M’s in a bag of 200 M&M’s, if there are 26 red, you would use this formula. Mass of Sample x 100 = Percent Composition. Total mass in the sample. So, in the M&M’s problem: 26 red x 100 = 13%. 200 total. Example 2: Find the percent composition of …
PERCENTAGE COMPOSITION WORKSHEET
6. Calculate the number of grams of iron in 80.0 mg of ferrous carbonate. Use percentage composition AND gravimetric factor!! 7. Calculate the mass of aluminum (in kg) in 200. kg of aluminum oxide. Use percentage composition AND gravimetric factor!! Honors Chemistry Worksheet on Percentage Composition Page 2. 8.
[DOC File]Chemistry - Weebly
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9. An experimental catalyst used in the polymerization of butadiene has the following composition: 23.3% Co, 25.3% Mo, and 51.4% Cl. What is its empirical formula? (Co3Mo2Cl11) 18 Honors Chemistry. 2016-2017. WS 6.6 Molecular Formulas. Determine the empirical formula for each of the following substances. The percentage composition is given.
[DOC File]The Percent Composition Worksheet
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The Percent Composition Worksheet. Calculate the percent composition of the compounds that are formed from these reactions: 9.03 g of Magnesium combine completely with 3.48 g of Nitrogen. 29.0 g of Argon combine completely with 4.30 g of Sulfur. 222.6 g of …
[DOCX File]Percentage Composition and Empirical & Molecular Formula
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Chemistry: Percentage Composition and Empirical & Molecular Formula. Solve the following problems. Show your work, and always include units where needed. 1. A compound is found to contain 36.5% Na, 25.4% S, and 38.1% O. Find its empirical formula. 2. Find the empirical formula of a compound that is 53.7% iron and 46.3% sulfur. 3.
[DOC File]Percent Composition Worksheet
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Percent Composition Worksheet. Calculate the molar mass for the following compounds. SiF4 KOH. Calculate the percent composition of carbon for the following compounds. CaCO3 CH4. Sn(CO3)2. Calculate the percent composition of nitrogen for the following compounds. N2O. Sr(NO3)2. NH4NO3. Calculate the percent composition for each element in ...
[DOC File]Percent Composition Worksheet
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Unit 2-Percent Composition. Percent composition is the percent by mass of each element found in a compound. Example: What percent of iron(III) hydroxide, Fe(OH)3, is oxygen? Step 1: Find the molar mass of the compound. 1 mol Fe = 55.85 g. 3 mol O = 3 × 16.00 g = 48.00 g. 3 mol H = 3 × 1.008 g = 3.024 g. Molar Mass Fe(OH)3 = 106.87 g/mo
[DOC File]% Composition, Empirical Formula and Molecular Formula ...
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What is the percent composition of a carbon – oxygen compound, given that a 95.2 g sample of the compound contains 40.8 g of carbon and 54.4 g oxygen? %C = 42.9% %O = 57.1%. Find the percent composition of a compound that contains 2.63 g of carbon, 0.370 g of hydrogen and 0.580 g of oxygen in a 3. 58 g sample of the compound. %C = 73.5% %H ...
[DOC File]Percentage Composition
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An 8.20 g piece of magnesium combines completely with 5.40 g of oxygen to form a compound. What is the percent composition (%Mg and % O) of this compound? _____% Title: Percentage Composition Author: JOEL & SELA Last modified by: JOEL & SELA Created Date: 10/9/2011 8:27:00 PM
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