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Empirical and Molecular Formula Worksheet Name: _____ Write the empirical formula: 1. Na 2 SO 4 2. C 6 H 12 O 6 3. C 4 H 10 4. KNO 2 5. H 2 O 2 Show all work for the following problems: 6. Propene has an empirical formula of CH 2. What is its molecular formula if it has a molar mass of 42.09 g/mol? 7.
What is the molecular formula? 5) Sample (3.585g) contains 1.388g of C, 0.345g of H, 1.850g O and its molar mass is 62g. What is molecular formula of this substance?
Using the operation that you suggested in question 5, determine the empirical formula for the compounds with the following molecular formulas: a. C4H8. b. C6H12. 7. Which substance(s) in Model 1 have the same empirical formula(s) as the substances in Question 6? 8. Predict the percent composition(s) for C4H8 and C6H12.
8 mar 2021 · This is a collection of free chemistry worksheets and handouts to print. Most of the printables are PDF files, although some are available as JPG or PNG files. All of these worksheets print cleanly on normal printer paper, plus you can resize them to fit your needs.
Part Three: Determine the molecular formula from the empirical formula. 1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. 2) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole.
Empirical Formula Problems – Set I 1. Determine the empirical formula of a compound consisting of : (a) 55.3%K, 14.6%P, and 30.1% O. (K 3 PO 4) (b) 47.3% Cu and 52.7% Cl. (CuCl 2) (c) 52.14%C, 13.13%H, and 34.73% O. (C 2 H 6 O) (d) 40.0%C, 6.73%H and 53.3% O . (CH 2 O) 2. In vanadium oxide, the mole ratio is calculated to be: 2.50 mol O/1 mol V.
With concise-yet-telling definitions and easy-to-grasp examples, this printable atoms and molecules chart for grade 5 and grade 6 is a perfect prelude to the topic. The illustrations help ease into the concept.
