How many mol are in a g
[DOC File]Mole Conversion Worksheet
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How many moles in 28 grams of CO2 ? Gram-formula-mass of CO2. 1 C = 1 x 12.01 g = 12.01 g. 2 O = 2 x 16.00 g = 32.00 g. 64.00 g/mol 28 g CO2 = 0.64 moles CO2. What is the mass of 5 moles of Fe2O3 ? Find the number of moles of argon in 452 g of argon. Find the grams in 1.26 x 10-4 mol of HC2H3O2. Find the mass in 2.6 mol of lithium bromide. Mole ...
[DOC File]Mole Calculation Worksheet
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0.2 mole x 1.00 g/mol = 0.20 g 0.2 mole x 6.02x1023 atoms/mol = 1.20x1023 atoms. SOLVE ANY 7 OF THE FOLLOWING: 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 ...
[DOCX File]Unit 8 Stoichiometry
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MOLE(mol)Mass(g) Particle(atoms)1 mol = molar mass (in g)Volume(L or dm3)1 mol = 22.4 L1 mol = 22.4 dm3MOLE(mol)Mass(g) Particle(atoms)1 mol = molar mass (in g)Volume(L or dm3)1 mol = 22.4 L1 mol = 22.4 dm31 mol = 6.02 x 1023 particles1 mol = 6.02 x 1023 particlesUse coefficients from balanced equationSUBSTANCE “A”SUBSTANCE “B”Stoichiometry Island Diagram
[DOC File]Molar Mass worksheet
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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.
[DOC File]Stoichiometry Review
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1 17.03 g NH3 4 mol NH3 . How many grams of O2 are needed to produce 15.5 g of H2O? 15.5 g H2O x 1 mol H2O x 7 mol O2 x 32.00 g O2 = 32.1 g O2. 1 18.02 g H2O 6 mol H2O 1 mol O2. 2 Al + 6 HCl ----> 3 H2 + 2 AlCl3 . If you start with 5 L of 1.5 M HCl and you make 1.98 g of H2. ...
[DOC File]Converting mass of a DNA band into moles:
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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 be 120 ng (by gel comparison to standards).
[DOC File]Mole Conversions Worksheet
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Find the mass in grams of 2.00 x 1023 molecules of F2. 12.624 g. Gram-formula-mass. 2 F = 2 x 19 g = 38 g/mol. 2.00 x 1023 molecules= 12.6 g. 3. Determine the volume in liters occupied by 14 g of nitrogen gas at STP. Ans. 11.2 L. 4. Find the mass, in grams, of 1.00 x 1023 molecules of N2. Ans. 4.65 g. 5. How many particles are there in 1.43 g ...
[DOC File]CHAPTER 11: STOICHIOMETRY
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10.2 g Fe x 1 mol Fe x 2 mol Fe2O3 x 159.6 g Fe2O3 = 14.6 g Fe2O3. 55.8 g Fe 4 mol Fe 1 mol Fe2O3 _____ What mass of oxygen is needed to react with 12.7 g of iron? 12.7 g Fe x 1 mol Fe x 3 mol O2 x 32.0 g O2 = 5.46 g O2. 55.8 g Fe 4 mol Fe 1 mol O2 ...
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