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[DOCX File]Math Test—Calculator - College Board
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A sterling silver platter is made up of a mixture of silver and copper. The ratio of silver to copper is 37 to 3 by mass. If the platter has a mass of 600 grams, what is the mass, in grams, of the copper in the platter? A. 18. B. 45. C. 222. D. 555
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[DOC File]Problem Set Answers: Trophic Level Calculations
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What is the total mass, in kilograms, of the grasshoppers needed to feed all the hens for one year? 1000 grasshoppers have a mass of 1 kg. Therefore… 3330625 = 3330.625 kg/year. 1000 . How many kilograms of soybeans are needed to feed all the grasshoppers for one year? 1 grasshopper requires about 30 g of soy/year
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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]Fermi Questions - Science Olympiad
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25 Estimate the mass, in grams, of the fans in the stadium attending tomorrow's St. Louis Rams-Philadelphia Eagles football game. 26 What is the total height, in km, of all of the world's people? 27 What fraction of the sun's energy output is intercepted by the earth?
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[DOC File]Mole Calculation Worksheet
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Use your Periodic Table, calculator, and Avogadro’s number (6.02x1023) to help. Check your notes for help with molar mass! (Here’s how to find the answers. To find mass in grams To find # of particles # of moles x molar mass # of moles x 6.02x1023.
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[DOC File]Density Calculations Worksheet I
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The mass of this cube is 3,645 grams. Calculate the density of this cube given this information. Hint: a cube has 6 equal sides. 9.00 x 9.00 x 9.00 = 729 cm3. 3645 g / 729 cm3= 5.00 g/ cm3 . 8. A graduated cylinder has 20 ml (cm3) of water placed in it. An irregularly shaped rock is then dropped in the graduated cylinder and the volume of the ...
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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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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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What would be the mass, in grams, of 1.806 x 1024 molecules of carbon monoxide? How many molecules of water are there in 8.050 x 103 grams of water? How many oxygen molecules are in a flask that contains 1.43 grams of oxygen? What would be the mass, in grams, of 1.505 x 1023 molecules of carbon disulfide?
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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]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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Mass in grams calculator