Molar mass worksheet 23 answer
[DOC File]Mole Calculation Worksheet
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1 mole = molar mass (could be atomic mass from periodic table or molecular mass) ... (molar mass of NaF is 23 + 19 = 42 g/ mole) ... Mole Calculation Worksheet – Answer Key. What are the molecular weights of the following compounds? 1) NaOH . 23 + 16 + 1 = 40.1 grams.
[DOC File]mc06sete_c07-8ps_42-96.qxd - Rogers' Honors Chemistry
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The mass of a molecule of water is the sum of the masses of two hydrogen atoms and one oxygen atom, and is equal to 18.02 amu. Therefore, 1 mol of water has a mass of 18.02 g. In the same way, you can relate amount, mass, and number of formula units for ionic compounds, such as NaCl, CaBr2, and Al2(SO4)3.
[DOC File]Percent Composition and Molecular Formula Worksheet
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A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. Answer the following questions: ... Molecular Formula Worksheet ANSWER KEY. ... %C 40.668 %H 8.533 %N 23.713 %O 27.086 . 2. A 50.51 g sample of a compound made from phosphorus and chlorine is decomposed.
Molar Mass Practice Worksheet - OnCourse Systems
Mole Calculation Practice Worksheet (2-step) Answer the following questions. Be sure to remember . sig figs, units, and SHOW WORK. The answers are in bold and italic….rewriting the answer does not count as showing work. How many molecules are in 25.0 grams of NH3? (8.85 x 1023 molecules) How many grams are in 8.20 x 1022 molecules of N2I6 ...
[DOC File]Mole Calculation Worksheet - HUBBARD'S CHEMISTRY
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1 mole = molar mass (could be atomic mass from periodic table or molecular mass) ... (molar mass of NaF is 23 + 19 = 42 g/ mole) ... It is a dark and stormy night. You hear a knock at the door and your butler rushes to answer the door. Moments later the butler returns with a small bottle of a silvery powder.
[DOC File]Molar Mass Worksheet – Answer Key
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Title: Molar Mass Worksheet – Answer Key Author: Student Last modified by: Student Created Date: 1/26/2012 2:40:00 PM Company: HumbleISD Other titles
[DOC File]Chemistry Worksheets
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23) Mass spectrometers separate isotopes of different elements based on their: a) mass. b) electric charge. c) mass divided by electric charge. d) none of these. 24) What percent of atoms of magnesium have a mass of exactly 24 amu? a) 100%. b) 70%. c) 30%. d) 0%. 25) The colors of light given off when a sample is heated corresponds to:
[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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MOLE WORKSHEET NAME: DATE: 1. Determine the mass of. ... Use your answer to #5 to the determine the mass of nickel in 45.0 g of nickel (II) hydroxide. _____ ... 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.
[DOC File]Percent Composition and Molecular Formula Worksheet
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Mar 19, 2012 · A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. C2H8N. Answer the following questions: ... Molecular Formula Worksheet ANSWER KEY. ... %C 40.668 %H 8.533 %N 23.713 %O 27.086 . 2. A 50.51 g sample of a compound made from phosphorus and chlorine is decomposed.
[DOC File]Percent Composition and Molecular Formula Worksheet
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A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. C8H8O2. A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole. C2F2Br2O2. A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. C2H8N. Answer the following questions:
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