Calculate mass to moles
[DOCX File]Measuring Mass Lab
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You can determine the number of moles in a substance by obtaining the mass of the substance. Objectives. To measure the masses of common compounds and objects. To calculate the moles and atoms from the experimental masses. Materials. salt (NaCl) sugar (C. 12 H 22 O 11)chalk (CaCO. 3)sand (SiO. 2)water (H. 2. O) balance. spoon. Procedure. Mass ...
[DOC File]Measuring Mass by Moles Lab
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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)
[DOC File]Moles Class Packet Unit 2
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The Molar Mass (aka gram formula mass or molecular mass) is the mass of one mole of a substance. Element’s molar masses are reported on the periodic table. Using formulas on the last page of your reference tables as well as you periodic table you should be able to calculate the mass or moles …
[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Molar mass tells us the mass (“weight”) of 1 mol ofan atom or compound. In each case . we simply calculate the sum of the “weights” of the atoms in the formula to determine the weight of a mole. These weights can be found on the periodic table. EXAMPLE: Calculate the molar mass (gram molecular weight) of a mole of iodine, I2.
[DOC File]Molar Mass worksheet
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Determine the mass of the following samples. 2 moles Co 5 moles H2 2.1 moles H2O. Determine the number of moles in the following samples. 54.2 g N2 202.2 g MgO 519.3 g FeCl3. Determine how many atoms/molecules in the following samples. 1.32 moles Si 7.29 mol CO2 712.4 g AuCl Molar Mass worksheet KEY. Determine the molar mass for the following ...
[DOC File]Mole Calculation Worksheet
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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 ...
[DOC File]Moles & Molar Mass
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Calculate the molar mass of juglone. How many moles are present in 214g of juglone? Calcium carbonate, aka calcite is the principle mineral found in limestone, marble, and chalk. Calculate the molar mass of calcium carbonate. A certain sample of calcium carbonate contains 4.86 moles. What is the mass in grams of this sample?
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