Molecular weight of elements chart
[DOC File]VIII
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Obtain the formula from the bottle, and look up the atomic weights on the Periodic Table of the Elements chart hanging on the lab wall. Write your calculations in your Tech Facility lab notebook. One Mole, examples: sodium chloride has a formula weight of 58.4, and sucrose has a molecular weight of 342.3 (in the units known as Daltons).
[DOC File]AP* Chemistry
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3.3 MOLAR MASS, MOLECULAR WEIGHT, AND FORMULA WEIGHT • molar mass, MM--the mass in grams of Avogadro's number of molecules; i.e. the mass of a. mole! • molecular weight, MW--sum of all the atomic weights of all the atoms in the formula (it is. essential you have a correct formula as you’ll painfully discover!)
[DOC File]CHEMISTRY UNIT 7
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(that is, add up all the numbers off the chart. The molar mass of a substance is the mass of one mole of atoms (or molecules) of that substance. Ex: The molar mass of carbon is 12.011 g/mole. The gram-molecular weight (G.M.W.) of a molecular substance is the mass of one mole of molecules of the substance. Ex: The G.M.W. of water (H2O) is 18 ...
[DOC File]Chemistry Final Exam Review
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Periodic Chart Trends. Know the four general trends: Chemical Reactivity, Atomic Radii (size), Ionization Energy, Electronegativity. The Periodic Law arranges the elements on the periodic table based on increasing atomic number. Know who arranged the first and current periodic tables and how they were/are arranged
[DOC File]Come Together: Chemical Bonding Worksheet
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CH3CH2CH3 (propane) or CH3CH2CH2CH3 (butane) has the highest melting point because they both have the same IMF (London Dispersion) however butane has the higher molecular weight. Draw the lewis structure, identify the shape, state whether it is polar or nonpolar and identify the one with lowest boiling point?
[DOC File]Chemistry I-Honors
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If the compound in #2 is known to have a molecular weigh of 160.0 g/mole, what is the true, or molecular, formula? Molecular weight of the empirical formula = 80.0 g/mole. 160.0 g/mole / 80.0 g/mole = 2; then true formula = (H4N2O3) x 2 = H8N4O6-5-When a hydrate of calcium sulfate is heated, all of the water is driven off.
[DOC File]AP Chemistry: Course Introduction Sheet
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Formula weight = sum of atomic weights of the atoms in a formula; we can use the term molecular weight if the substance is a molecular formula or molar mass for either. Example: Find the formula weight of calcium nitrate. calcium nitrate is Ca(NO3)2. 1 Ca atom = 1(40.1 amu) = 40.1 amu. 2 N atoms = 2(14.0 amu) = 28.0 amu
Chemistry Log Books
(b) Define what a molecular formula is and give an example. 6. A compound is 82.6 % C and 17.4 % H. Its molecular weight is 58.14 g/mol. (CP and Tech can omit) (a) What is the empirical formula for this compound? (b) What is the molecular formula for this compound? (c) Draw 2 possible structural formulas for this compound. 7.
[DOCX File]Mole Conversions Worksheet
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The molecular formula of aspartame is C14H18N2O5 . a) Calculate the molar mass of aspartame. b) How many moles are in 10.5 g of aspartame? c) How many molecules are in 10.5 g of aspartame? e) How many atoms of nitrogen are in 1.2 grams of aspartame? Author: Ashley Gunn Created Date: 03/02/2016 13:28:00
[DOCX File]Unit 1: FR CW/HW - In progress.docx - NJCTL
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Sep 26, 2015 · Beta carotene is a building block of vitamin A. Calculate the molecular formula for beta carotene if the compound is 89.49% C and 10.51% H by mass and its molecular weight is 536.89 g/mol. An organic compound containing carbon, hydrogen and chlorine was combusted in air and found to produce 0.225 grams of carbon dioxide and 0.0921 grams of water.
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