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[DOC File]Empirical and Molecular Formula Worksheet
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9) A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. What is the molecular formula of this compound? C2H8N . 10) A well-known reagent in analytical chemistry, dimethylglyoxime, has the empirical formula C2H4NO. If its molar mass is 116.1 g/mol, what is the molecular formula of the compound? C4H8N2O2
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[DOC File]Mole Conversion Worksheet
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2. Find the mass in grams of 2.00 x 1023 molecules of F2. 3. Determine the volume in liters occupied by 14 g of nitrogen gas at STP. 4. Find the mass, in grams, of 1.00 x 1023 molecules of N2. 5. How many particles are there in 1.43 g of a molecular compound with a gram. molecular mass of 233 g? 6.
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DIMENSIONAL ANALYSIS PROBLEMS
Determine how many grams you can purchase for $15.00. 20). How many grams are equivalent to 1.80 x 10-4 tons? (English tons) 21). A gas station is charging $1.299 per gallon of gas. What would be the price for a liter of gas? 22). Determine the number of years in 8.35 x 106 minutes. 23). A quart of a liquid has a mass of 2.70 kilograms.
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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However, it is common usage in chemistry to talk about the “gram formula weight” rather than the technically correct term “gram formula mass” or “molar mass”. We have learned that the smallest particle of an element is an atom and the periodic table tells us …
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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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[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 ...
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[DOC File]Fermi Questions - Science Olympiad
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What is the mass, grams, of a gallon of the paint? What is the mass, grams, of a TiO2 pigment particle? What is the surface area, cm2, of a TiO2 pigment particle? What is the total surface area, m2, of the pigment particles in a gallon of the paint? If the paint is used to …
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[DOC File]Mole Calculation Worksheet
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Mole to Grams, Grams to Moles Conversions Worksheet. What are the molecular mass of the following compounds? 1) NaOH 2) H3PO4 3) H2O 4) Mn2Se7. 5) MgCl2 6) (NH4)2SO4. There are three definitions (equalities) of mole. They are: 1. mole = 6.02 x 1023 particles. 1 mole = molar mass (could be atomic mass from periodic table or molecular mass)
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[DOC File]Stoichiometry: Mass-Mass Problems
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Stoichiometry: Mass-Mass Problems. 2KClO3 → 2KCl + 3O2 . How many grams of potassium chloride are produced if 25.0g of potassium chlorate decompose? 15.2g of potassium chloride. N2 + 3H2 → 2NH3. How many grams of hydrogen are necessary to react completely with 50.0 g …
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[DOC File]PS.Ch6.Test.95
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2. The dimensions of a rectangular solid are 8.00 cm long, 4.00 cm wide, and 2.00 cm high. If the density of the solid is 10.0 g/cm3, what is its mass? a) 10/64 grams d) 320 grams. b) 10.0 grams e) 640 grams. c) 64.0 grams. 3. A metal sample weighing 30.9232 grams was added to a graduated cylinder containing 23.26 mL of water.
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Mass in grams calculator chemistry