How to convert g to mol
[DOCX File]AP Chemistry
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convert g (or %) moles. divide each mole value by smallest. ... c.The molecular mass of the compound is approximately 300 g/mol. Determine the molecular formula. 24. 75.0 g of Fe reacts with 11.5 L of O 2 (d = 3.48 g/L) according to the reaction: 4 Fe(s) + 3 O 2 (g) 2 Fe 2 O 3 (s)
[DOC File]NOTES – MOLAR MASS AND MOLE CONVERSIONS
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132 g/mol. C3H8 = 44 g/Mol. 132/44 = 3 ( C9H24. 5. Find the molecular formula of a compound if its empirical formula is N2O5, and its molar mass is 216 g/mol. N2O5 = 108 g/mol. 216 / 108 = 2 ( N4O10 PER CENT SUGAR IN BUBBLE GUM NAME: DATE: PERIOD:
Worksheet – Mole Conversions
74.1 g Ca(OH)2 1 mol Ca(OH)2 1 mol O. 1.32 x 1024 atoms O. 3. What is the mass of 3.56 x 1025 formula units of copper (II) sulfate? 3.56 x 1025 f.u. CuSO4 x 1 mol CuSO4 x 159.61 g CuSO4 = 9,430 g CuSO4. 6.022 x 1023 f .u. CuSO4 1 mol CuSO4 . 4. What is the number of molecules present in 50.00 g of diphosphorus pentoxide? ...
[DOC File]Mole Conversions Worksheet #1
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2. Convert from grams to moles. a. 72.0 g Ar 1.80 mol c. 187 g Al 6.93 mol e. 7.21 x 10–2 g He 1.80 x 10-2 3. Find the number of moles in each of the number of atoms or molecules. a. 1.20 x 1025 atoms of P 19.9 mol. c. 4.81 x 1014 molecules of NH3 7.99 x 10-10 mol. 4. Find the number of atoms or molecules in each of the number of moles. a. 1 ...
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Convert 24.5 g glucose to mol CO2 using stoichiometry: 24.5 g glucose x (1mol glucose/180 g glucose) x (6 mol CO2/1 mol glucose) = .82 mol CO2. Use PV=nRT to adjust for conditions given in problem: V = (.82 mol x .082 x 310K)/(.97 atm) = 21.5 atm. 5. Hydrogen is produced when zinc reacts with sulfuric acid. If 159 mL of wet H2 is collected over ...
Chapter 9: Chemical Bonding I: Basic Concepts
17. The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100°C? A) 22.7 kJ B) 40.8 kJ C) 2.2 kJ D) 2,400 J E) 40.8 J. Ans: D . 18.
[DOC File]Comparing Mitosis and Meiosis
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(L) (mol/L) (g/mol) Convert smaller or larger units to these as necessary. The “L” units cancel out and the “mol” units cancel out, leaving the mass in grams of the solutes needed to make the solution. Ex. A technician needs 50 mL of 0.5 M NaCl solution for an experiment.
[DOC File]Mole Conversions Worksheet
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2 Fe = 2 x 55.6 g = 111.2 g. 3 O = 3 x 16.0 g = 48.0 g. 159.2 g/mol. 5 moles Fe2O3 = 800 grams 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-Volume Conversions. 1. Determine the volume, in liters, occupied by 0.030 moles of a gas at STP ...
[DOC File]Mole Conversions Worksheet #1
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Mole –> Mass Conversions – using molar mass of each substance, convert the following quantities. a. 10.0 mol Cr 520 g f. 0.160 mol H2O 2.88 g. b. 3.32 mol K 130 g g. 5.08 mol Ca(NO3)2 834 g. c. 2.20 x 10–3 mol Sn 0.261 g h. 15.0 mol H2SO4 1470 g. d. 0.720 mol Be 6.48 g i.
[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).
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