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How to Convert Grams to Moles » VripMaster
Single-stranded: 330 grams per mole per base. 330 (g/mol)/b. 330 g / ( mol ( b ) Double-stranded: 660 grams per mole per base pair. 660 (g/mol)/bp. 660 g / ( mol ( bp ) Example problem: Find the number of moles which compose a 1.5kb band whose mass was determined to …
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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a. How many moles of CO2 are produced if 5.0 moles of C10H22 react with an . excess of O2? b. How many moles of O2 react with 0.75 moles of C10H22? c. How many moles of O2 would be required to produce 4.0 moles of H2O? Use the following equation to solve the problems below: 3 SiO2 + 4 Al 3 Si + 2 Al2O3. a. If 6.0 moles of SiO2 react, how many ...
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[DOC File]Measuring Mass by Moles Lab
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Problems 1-2: moles to grams AND grams to moles. 1. How many grams are there in 11.8 moles of sodium hydroxide? Ans. 472 grams sodium hydroxide. 2. How many moles are there in 215 grams of water? Ans. 11.9 moles water. Problems 3-4: moles to molecules AND molecules to moles. 3. How many molecules are there in 3.85 moles of carbon tetrachloride?
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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#1-7: You are given the number of moles and asked to find the grams (mass) MOLES ( GRAMS #8-14: You are given the grams (mass) and asked to find the number of mols. GRAMS ( MOLES # MOLECULES. Molar mass (grams per mole) 6.02 X 1023 atoms or molecules per mole # GRAMS # MOLES. 22.4 liters of gas per mole # LITERS (at STP)
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[DOC File]Moles Class Packet Unit 2
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Measuring Mass by Moles Lab. Purpose: To determine the mass of several compound samples and use the data to count moles & molecules. Sample #1 Water (H2O) Calculate the molar mass for this compound (the number of grams in one mol). _____ How many moles of this compound do you have? (Show work below)
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[DOC File]Conversion Practice Name
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Calculate the moles of the following: 23.0 grams Zn 100.59 grams of Li. 56.8 grams KNO3 250.0 grams of Al2(SO3)3. Calculate the mass of the following: 2.00 moles of Zn 0.025 moles of Ne. 3.50 moles of NaCl 2.50x10-4 moles of KNO3. REACTIONS. 2. Reactants refer to the substances you start with in a reaction (before the arrow). Products refer to ...
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Calculate the mass of one trillion molecules of oxygen gas. 8. Calculate the number of moles in: a) 25 grams of oxygen gas. b) 0.27 g of ammonia. c) 10.5 g of sodium. d) 347 g of ammonium nitrate. 9. Calculate the mass, in grams, of: a) 1.24 moles of water. b) 0.269 moles of mmonium chloride. c) 5.62 moles of sodium hydroxide
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[DOC File]SCH 3U – MOLE CALCULATIONS
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Find the number of moles in: a. 1.25 grams of strontium nitrate _____ Sr(NO3)2 = 87.6 + (2 x 14) + (6 x 16) = 211.6 g/mol. 1.25 g x 1 mol = 0.00591 mol. 211.6 g. b. 0.570 g of chlorine gas (Cl2) _____ Cl2 = 2 x 35.5 = 71.0 g/mol. 0.57 g x 1 mol = 0.00803 mol. 71 g ...
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[DOC File]Converting mass of a DNA band into moles:
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HOW TO FIND MOLES WHEN GIVEN MASS (GRAMS) given grams . 1 mole = answer moles (mol) grams (This is molar mass) Ex 2: Calculate the number of . moles. in . 2.5g of CO2. 2.5g of CO2 . 1 mol. CO2 = 00000. g. 5.) Your turn: Calculate the number of . moles. in . 235.00g of Ca3N2 ...
how to get moles from grams

How to calculate grams to moles