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[DOC File]Molecular Formula Worksheet
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The molar mass of a compound is 92g/mol. Analysis of a sample of the compound indicates that it contains 0.606g N and 1.390g O. Find its molecular formula. 7. Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass of 32.06 g/mol.
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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. _____ 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 mol. b. ...
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[DOC File]Molar Mass worksheet - Leon County Schools
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Molar Mass worksheet 23. Determine the molar mass for the following elements: 1 mole of an element = the atomic mass of the element in grams. Ca Xe K. Fe Au O. 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 ...
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[DOC File]Molar Mass Percent Composition
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Chemistry: Molar Mass and Percentage Composition KEY. Calculate the molar masses and percentage composition of each of the following compounds. Show your work and always include units. 1. Ca3P2. 2. Ca(OH) 2. 3. Na2SO4. 4. CaSO4. 5. (NH4) 2SO4. 6. Zn3(PO4) 2. 7. Mg(NO2) 2. 8. KCl. Title: Molar Mass Percent Composition ...
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[DOC File]Molar Mass Worksheet - Forestville Central High School
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Molar Mass Worksheet. Calculate the molar masses of the following chemicals: 1) Cl2. 2) KOH. 3) BeCl2. 4) FeCl3. 5) BF3. 6) CCl2F2. 7) Mg(OH)2. 8) UF6. 9) SO2. 10) H3PO4. 11) (NH4)2SO4. 12) CH3COOH. 13) Pb(NO3)2. 14) Ga2(SO3)3 Molar Mass Worksheet – Answer Key. Calculate the molar masses of the following chemicals: 1) Cl2 . 71 g/mol. 2) KOH ...
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[DOC File]Mole Ratio Worksheet
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Mole Ratio Worksheet. 1) Balance this equation: N2 + H2 ---> NH3, write the following molar ratios: N2 / H2 N2 / NH3 H2 / NH3. 2) Balance this equation: H2 + S ---> H2S, write the following molar ratios: H2 / H2S H2 / S H2S / S. 3) Write and balance the equation for the synthesis of water. Then answer the following questions.
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[DOC File]MOLECULAR FORMULAS WORKSHEET
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A compound is composed of 16.66g C and 3.49g H. The molar mass of the compound is 58g. Find the empirical and molecular formulas for this compound. A compound contains 62.0% C, 10.4% H, and 27.5% O. Determine the empirical formula for this compound. After analysis, it was found that the compound’s molar mass is 58.1g.
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[DOCX File]Mole Review Worksheet
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Mole Review Worksheet---Key. This is extra credit for the test! Name____ Key __ _ Period _____ Date_____ **SHOW WORK!!**USE UNITS!!** ... 6.6% H, and 53.4% O with a molar mass of 120 g. 3.33 moles C. 1 . C : 1 H : 1 O . Empirical Formula is CH 2 O. 6.67 moles H. 3.33 moles O. Mass of CH. 2. O is 30 g. 120/30=4 so the Molecular Formula is . C 4 ...
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[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
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Molar mass worksheet and key