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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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What unit is used to measure mass? Weight? What is the small unit of a covalent compound? An ionic compound? 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.
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[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.
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[DOCX File]Mole Conversions Worksheet
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MOL.3. Define atomic mass, formula mass and molecular mass. 10.2. High. MOL.4. Calculate the molar mass of a compound. 10.2. High. ... How many moles are 1.20 x 1025 formula units of calcium iodide? 4. How many formula units are in 12.5 moles of calcium phosphate? Mole-Mass Conversions (use the molar mass from the periodic table for your ...
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[DOCX File]NOTE – YOU WILL NEED A SCIENTIFIC CALCULATOR FOR …
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Chemists need a convenient method for accurately counting the number of atoms, molecules, or formula units of a substance. The _____is the SI base unit used to measure the amount of a substance. Moles (is abbreviated: mol) It is an _____, defined as the number of carbon atoms in …
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[DOC File]Empirical and Molecular Formula Worksheet
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What is the molecular formula of this compound? 10) A well-known reagent in analytical chemistry, dimethylglyoxime, has the empirical formula C2H4NO. If its molar mass is 116.1 g/mol, what is the molecular formula of the compound? 11) Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy.
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[DOC File]Moles of Chalk Lab - Science Curriculum
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Unit 5 – Nomenclature and Formula Stoichiometry. Big Ideas-Core Concepts: Elements from compounds in predictable ratios can be named systematically. All molecular and ionic compounds have unique names and formulas that are determined systematically. The mole is the standard unit for counting atomic and molecular particles.
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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You will be expected to have a functioning calculator with you for every chemistry class. The only new concept we will introduce in this unit is the idea of a mole. A mole is a quantity of matter that we use for conversion purposes. We can convert from grams to moles, liters to moles (for gases), and atoms, formula units, or molecules to moles.
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[DOC File]Mole Conversions Worksheet
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Mole Conversions Worksheet. There are three mole equalities. They are: 1 mol = 6.02 x 1023 particles. 1 mol = g-formula-mass (periodic table) 1 mol = 22.4 L for a gas at STP
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. CH2O = 12 + (2 x 1) + 16 = 30 g/mol 90/30 = 3, so empirical formula x 3 + molecular formula =m so MF = C3H6O3
how to get formula units from moles

[DOC File]Mole Conversion Worksheet
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1 mol = 6.02 x 1023 particles. 1 mol = g-formula-mass (periodic table) 1 mol = 22.4 L for a gas at STP. Each equality can be written as a set of two conversion factors. They are: Step 1: Determine what you are solving for: moles or grams. Step 2
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Mol to formula unit calculator