ࡱ> GIF] +bjbjzz 001\1\l 8L<43y3{3{3{3{3{3{3$5Z8333eee^y3ey3ee02wHrY+Fu1e33031\ 9;6 902 92|e33q3 9> :  PART E. Percent Composition and Molecular Formula Worksheet Write the molecular formulas of the following compounds: A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole. A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. Answer the following questions: Whats the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen? If the molar mass of the compound in problem 1 is 110 grams/mole, whats the molecular formula? Whats the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen? If the molar mass of the compound in problem 2 is 73.8 grams/mole, whats the molecular formula? The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical formula of acetic acid. The molar mass for question #3 was determined by experiment to be 60.0 g/mol. What is the molecular formula? A component of protein called serine has an approximate molar mass of 100 g/mole. If the percent composition is as follows, what is the empirical and molecular formula of serine? C = 34.95 % H= 6.844 % O = 46.56 % N= 13.59 % Percent Composition and Molecular Formula Worksheet Key Write the molecular formulas of the following compounds: A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. C4O2H8 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: Whats the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen? C3H3O mass = 55 g/mole If the molar mass of the compound in problem 1 is 110 grams/mole, whats the molecular formula? C6H6O2 Whats the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen? Li2CO3 If the molar mass of the compound in problem 2 is 73.8 grams/mole, whats the molecular formula? Li2CO3 The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical formula of acetic acid. CH2O The molar mass for question #3 was determined by experiment to be 60.0 g/mol. What is the molecular formula? C2H4O2 A component of protein called serine has an approximate molar mass of 100 g/mole. If the percent composition is as follows, what is the empirical and molecular formula of serine? 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Impact{EPPPIA+TimesNewRoman,BoldTimes New RomanA$BCambria Math"qhB1B1_"  q8r4g g 3QHP ?q@2!xx 3Percent Composition and Molecular Formula WorksheetDave Eng, Breanna0         Oh+'0$ <H h t  4Percent Composition and Molecular Formula WorksheetDave Normal.dotmEng, Breanna6Microsoft Office Word@40@jX@ڃOU+@Ȣ\Y+ ՜.+,0 hp|  g  4Percent Composition and Molecular Formula Worksheet Title  !"#$%&'()*+,-./012345789:;<=?@ABCDEHRoot Entry F@[_rY+J1Table:9WordDocument00SummaryInformation(6DocumentSummaryInformation8>CompObjr  F Microsoft Word 97-2003 Document MSWordDocWord.Document.89q