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[DOC File]Mole Lab J
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What is the molar mass (formula mass) of potassium chlorate? (1 point) How many moles are in this sample? (1 point) How many molecules are in this sample? Station 4: This station contains a weigh boat filled with Cobalt (II) Chloride hexahydrate that has the formula . CoCl2 ∙ 6H2O. Determine the mass of the empty weigh boat at this station ...
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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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)? 2 H = 2 x( 1.01) = 2.02 # grams H20 = 5.00 moles H20 x 18.02 g H20 = 90.10 g H2O
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[DOCX File]Mole Conversions Worksheet
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Define atomic mass, formula mass and molecular mass. 10.2. High. MOL.4. Calculate the molar mass of a compound. 10.2. High. MOL.5. Use dimensional analysis to convert between the mass, number of moles and number of particles of a substance. 10.2-3. Directions: Show …
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[DOC File]NOTES – MOLAR MASS AND MOLE CONVERSIONS
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Then determine its molar mass. formula molar mass calcium sulfate aluminum cyanide phosphorus triiodide Use the molar masses you found in # 1 to make the following conversions: Find the mass of 1.25 moles of calcium sulfate. How many moles is 2.50 g of aluminum cyanide? Find the mass of 0.750 moles of phosphorus triiodide.
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[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 …
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[DOC File]MOLES, MASS, and VOLUME OF A GAS
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MOLES, MASS, and VOLUME OF A GAS. Complete the table below: Name Formula Molar mass (M) Moles (n) Sample mass Sodium Hydroxide NaOH 3.41 g CCl4 1.4 Sodium Carbonate 106 amu 1.0 KCl .25 Ammonium Phosphate 8.46 g Find the number of moles in the following samples. 14.6 g acetylene, C2H2. 0.48 g propane, C3H8. 485 g ethanol, C2H5OH
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[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.
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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a. What mass of nitric acid contains 12.0 g of nitrogen? _____ 7. Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. _____ MOLE WORKSHEET NAME: DATE: 1. Determine the mass of. a. 2.50 moles of aluminum hydroxide _____ Al(OH)3 = 27 + (3 x 16) + (3 x 1) = 78 g/mol. 2.50mol x 78 g = 195 g. 1 ...
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[DOCX File]Measuring Mass Lab - Brainly
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Measuring Mass: Calculating Moles. You can measure how much of something you have by counting individual objects. For example, you can count the number of cookies in a bag or the number of pages in your notebook. There is a name for a number of atoms, ions, or molecules.
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[DOCX File]hyper chem - Home Page
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Mass = moles x formula mass = 0.125 x 95 = 11.9g MgCl. 2 Example 7.2.10: What mass and moles of sodium chloride is formed when 21.2g of sodium carbonate is reacted with excess dilute hydrochloric acid? reaction equation: Na 2 CO 3 + 2HCl ==> 2NaCl + H 2 O + CO 2
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Moles to mass formula