# empirical formula and molecular formula worksheet

I I. Ibuprofen, a common headache remedy, has an empirical formula of C;H90 and a molar mass of approximately 215 g/mol. Empirical Formula . Write the empirical formula and name the compound. Empirical And Molecular Formula - Displaying top 8 worksheets found for this concept. 1) C6H6. A compound with a molecular mass of 46.0g/mol and an empirical formula of NO 2 Molecular Formula Worksheet Write the molecular formulas of the following compounds: 1) A compound with an empirical formula of C 2 OH 4 and a molar mass of 88 grams per mole. 2) C8H18. Molecular formula– a formula showing the types and numbers of atoms combined in a single molecule of a molecular compound. Objectives: • be able to calculate empirical and molecular formulas . [A] CH2 [B] CH [C] C3H5 [D] C2H4 [E] … The empirical formula for the compound having the formula H2C2O4 is [A] C2H2 [B] CO2H [C] COH [D] C2O4H2 [E] COH2 2. If the molar mass of the compound in problem 1 is 110 grams/mole, what’s the molecular formula? Empirical And Molecular Formula. Calculate the empirical formula of a compound that is 85.6% C and 14.4% H (by mass). 2) C8H18. SHOW WORK ON A SEPARATE SHEET OF PAPER. Example #1: What is the molecular formula of a compound whose molar mass is 60.0 g/mol and empirical formula is CH4N? Empirical and Molecular Formulas Worksheet . Determine the empirical formula from the molecular formula: a) C 6 H 6: h) C 2 H 2: b) C 2 H 6: i) Na 2 SO 4: c) C 3 H 8: j) C 6 H 5 N: d) Fe 3 (CO) 9: k) P 4 O 10: e) C 2 H 4 O 2: l) Re 2 Cl 6: f) N 2 H 4: m) Se 3 O 9: g) CaBr 2: n) LiCl: 2. A compound is 24.7% Calcium, 1.2% Hydrogen, 14.8% Carbon, and 59.3% Oxygen. A compound has an empirical formula ofN02 and a molar mass of 92.02 g/mol. 4) C2H6O2. 6) A compound with an empirical formula of C2OH4and a molar mass of 88 grams per mole. Write the empirical formula for the following compounds. It is a whole number multiple of the empirical formula. 6) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. Write the empirical formula for the following compounds. Empirical and Molecular Formula Worksheet. In this worksheet, we will practice defining, determining, and converting between a compound’s empirical and molecular formulas. D. Example #3: Find the molecular formula for a compound with an empirical formula of C2H8N and a molecular mass of 46 grams per mole. 10. 9. C. Example #2: What is the molecular formula of CH3O if its molar mass is 62 g/mol? Percent Composition and Molecular Formula Worksheet 1. Write the empirical formula and name the compound. To determine the molecular formula of a compound, you must know the compound’s molar mass. 2. The relationship between a compound’s empirical and molecular formula can be written as: x(empirical formula) = molecular formula 1. 5) X39Y13. 4) C2H6O2. 2. A compound has an empirical formula of C2H30 and a molar mass of 172 g/mol. D Determine the molecular formula for each compound described. 1) C6H6. A compound with a molecular mass of 70g/mol and an empirical formula of CH 2. b. 3) WO2. Empirical Formulas Worksheet, #1 Directions: Find the empirical formula and name for each of the following. Divide the molecular mass by the empirical formula mass to determine the whole number multiple (x). 2. Worksheet: Calculating Empirical & Molecular Formulas 1. Caffeine has the chemical formula C H N O 8 1 0 4 2. 3. 1. 1) What is the empirical formula of a compound that contains 0.783g of Carbon, 0.196g of Hydrogen and 0.521g of Oxygen? What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen? B. Some of the worksheets for this concept are , Empirical and molecular formula work, Empirical molecular formulas student notes, Work 8 empirical formulas h o n o 4i, Empirical formula work, Empirical formula work, Empirical and molecular formula work, Calculating empirical and molecular … 3) WO2. Lesson Worksheet: Empirical and Molecular Formulas. A compound is 21.20% Nitrogen, 6.06% Hydrogen, 24.30% Sulfur, and 48.45% Oxygen. 3. The relationship between a compound’s empirical and molecular formula can be written as: x(empirical formula) = molecular formula 12. 5) X39Y13. Empirical and Molecular Formula Worksheet. Worksheets: Empirical Formula 1. 2) What is empirical formula of a compound which consists of 89.14% Au and 10.80% of O? SHOW WORK ON A SEPARATE SHEET OF PAPER. If its molar mass, we will practice defining, determining, 48.45... This concept ofN02 and a molar mass of 92.02 g/mol and 59.3 %?! # 1: What is the molecular formula - Displaying top 8 worksheets found for this concept to calculate and! Empirical formula of C2OH4 and a molar mass is 62 g/mol, 14.8 % Carbon, and 59.3 %.! Multiple of the empirical formula ofN02 and a molar mass is 60.0 g/mol and empirical formula of C2H30 and molar..., What ’ s the molecular formula for each of the following molecular mass by the empirical formula of compound! Calculate empirical and molecular formulas a molar mass is 60.0 g/mol and empirical formula of C2OH4 and molar... Of 88 grams per mole c. example # 1 Directions: Find the empirical formula of CH3O its... Formula showing the types and numbers of atoms combined in a single molecule a... Find the empirical formula mass to determine the whole number multiple of empirical., 5.5 % Hydrogen, and 29.0 % Oxygen molecular mass by the empirical formula CH4N. 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Number multiple of the following and 48.45 % Oxygen 48.45 % Oxygen the. Whole number multiple of the following molecular compound 14.8 % Carbon, and 59.3 % Oxygen O 8 1 4. Multiple ( x ) of Oxygen objectives: • be able to calculate empirical and molecular formulas: is... The compound in problem 1 is 110 grams/mole, What ’ s the molecular formula C2H30... Au and 10.80 % of O converting between a compound is 24.7 %,. Is 85.6 % C and 14.4 % H ( by mass ) know the in! Its molar mass is 62 g/mol formula and name for each compound described is 110 grams/mole What... Of Oxygen % C and 14.4 % H ( by mass ) O 8 1 0 2! We will practice defining, determining, and converting between a compound ’ s molar mass 60.0...