Moles to molar mass
Worksheet – Mole Conversions
A. What is the molar mass of: (make sure to show clearly defined and complete work here) 1. H2 2. Ba(OH)2. 3. CO 4. NH4Cl. 5. NiSO4 6. Al(NO3)3. Conversion between moles and mass. How many moles are in 122.5 g of magnesium hydroxide? How many moles are in 2.45 g of hydrogen gas (H2)? How many grams are in 6.3 moles of ammonium chloride? 4.
[DOC File]Mole Calculation Worksheet
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1 mole = molar mass (could be atomic mass from periodic table or molecular mass) 1 mole = 22.4 L of a gas at STP Each definition can be written as a set of two conversion factors.
[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 …
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Define the term molar mass (worksheet #1): _____ Now that you know how to find the mass of one mole of a substance (molar mass) you can easily find the mass of several moles or the mass of a fraction of a mole using the factor-label technique. EXAMPLE: What is the mass of 5.00 moles of water(H20)?
[DOC File]NOTES – MOLAR MASS AND MOLE CONVERSIONS
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molar mass in grams = 1 mole (add up molar mass from periodic table) Find the mass of 4.50moles of diphosphorus pentoxide. 4.5 moles 142 g = 639 g
[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?
[DOC File]NOTES – MOLAR MASS AND MOLE CONVERSIONS
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molar mass in grams = 1 mole. Find the mass of 4.50 moles of diphosphorus pentoxide _____ How many moles is 250.0 g of copper (II) sulfate? _____ How many molecules are in 110 g of diphosphorus pentoxide? _____ Make the following mole conversions. STEP 1: Write the correct formula. STEP 2: Determine the molar mass. STEP 3: Use dimensional ...
[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]Molar Mass worksheet - Leon County Schools
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Determine the molar mass for the following molecules/compounds: 1 mole of a compound = to the masses of each element times the number of atoms of each element combined. NaCl H2O O2. Fe2O3 Na2O Cl2. Al2(SO4)3 Ca(NO3)2 MgCl2. Determine the mass of the following samples. 2 moles Co 5 moles H2 3 moles H2O. Determine the number of moles in the ...
[DOCX File]Measuring Mass Lab - Brainly
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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 ...
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