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[DOC File]Mole Conversion Worksheet
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Step 5: Cancel the label, then punch the numbers in on your calculator. 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.
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[DOC File]Worksheet for Basic Stoichiometry
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Calculate how many grams of iron can be made from 16.5 grams of Fe2O3 by the following equation. 5) Using the following equation: 2 I2 + KIO3 + 6HCl -----> 5ICl + KCl + 3H2O . Calculate how many grams of iodine are needed to prepare 28.6 grams of ICl by this reaction. 6) Using the following equation:
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[DOC File]PS.Ch6.Test.95
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b) 550. grams d) 12.7 mm. 10. The number 6.33 x 102 equals, a) 6.33 c) 633. b) 0.633 d) 0.0633. 11. All the following are characteristic properties of phosphorus. Which one is a chemical property? a) Both red phosphorus and white phosphorus exist in solid allotropic forms. b) The red form melts at about 600°C and the white form melts at 44°C.
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[DOC File]Mole Conversion Worksheet
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: Cancel the label, then punch the numbers in on your calculator. 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.
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[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 ...
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[DOC File]DAY 1: ATOMIC STRUCTURE & AVERAGE ATOMIC MASS
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3.48 x 1022 atoms 1 mole 118.7g = 6.86 g Sn. 6.02 x 1023 atoms 1 mole. 4.48 x 1021 atoms of magnesium - report your answer in regular and scientific notation. 4.48 x 1021 atoms 1 mole 24.3g = 0.18 g Mg or 1.8 x 10-1. 6.02 x 1023 atoms 1 mole. Try: How many moles is 2.50kg of lead?
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[DOC File]AP Chemistry – Chapters 1 and 2
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c. 7.84 grams per mL. 1993 A. Elemental analysis of an unknown pure substance indicated that the percent composition by mass is as follows. Element Percent by Mass Carbon 49.02% Hydrogen 2.743% Chlorine 48.23% A solution that is prepared by dissolving 3.150 grams of the substance in 25.00 grams of benzene, C6H6, has a freezing point of 1.12 C.
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[DOCX File]Mole Conversions Worksheet
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Find the mass, in grams, of 1.00 x 1023 molecules of N 2. 5. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when dissolved in water.
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[DOC File]PH230 General Physics I, Week 4 Homework
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3. (This is Problem 3.2, page 82.) Young's modulus for aluminum is 6.2 1010 N/m2. The density of aluminum is 2.7 grams/cm3, and the mass of one mole (6 1023 atoms) is 27 grams. If we model the interactions of neighboring aluminum atoms as though they were connected by springs, determine the approximate spring constant of such a spring.
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[DOC File]Molar Mass worksheet
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Determine how many atoms/molecules in the following samples. 1.32 moles Si 7.29 mol CO2 712.4 g AuCl Molar Mass worksheet KEY. Determine the molar mass for the following elements: Ca Xe K. 40.08 g Ca 131.29 g Xe 39.10 g K. Fe Au O. 55.85 g Fe 196.97 g Au 16.00 g O. Determine the molar mass for the following molecules/compounds. NaCl H2O O2
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Grams to atoms calculator