Part a through c please a) You are presented with 12.0 kilograms (kg) of sugar for a rum brewing project. The rum recipe calls for ounces (oz) of sugar. How many ounces of sugar are in 12.0 kg? Remember: 1 kg = 1000 grams (g); 453.6 g = 1 pound (lb) [approximately]; 16 oz = 1 lba) 87.0 ozb) 192. ozc) 423. ozd) 768. oz b) A graduated cylinder contains 95.1 mL of a liquid. The mass of the graduated cylinder with the liquid is 140.000 grams. The mass of the graduated cylinder when empty is 44.900 grams. The liquid contained in the cylinder is most likely:a) ethyl alcoholb) waterc) corn oild) chloroform c) A beaker’s mass is 21.05 g, and the mass of this beaker containing a sample of water is 22.150 g. The mass of the water in the beaker is,a) 1. gb) 1.1 gc) 1.10 gd) 1.100 g

Part a through c please a) You are presented with 12.0 kilograms (kg) of sugar for a rum brewing project. The rum recipe calls for ounces (oz) of sugar. How many ounces of sugar are in 12.0 kg? Remember: 1 kg = 1000 grams (g); 453.6 g = 1 pound (lb) [approximately]; 16 oz = 1 lba) 87.0 ozb) 192. ozc) 423. ozd) 768. oz b) A graduated cylinder contains 95.1 mL of a liquid. The mass of the graduated cylinder with the liquid is 140.000 grams. The mass of the graduated cylinder when empty is 44.900 grams. The liquid contained in the cylinder is most likely:a) ethyl alcoholb) waterc) corn oild) chloroform c) A beaker’s mass is 21.05 g, and the mass of this beaker containing a sample of water is 22.150 g. The mass of the water in the beaker is,a) 1. gb) 1.1 gc) 1.10 gd) 1.100 g

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter1: The Nature Of Chemistry

Section: Chapter Questions

Problem 127QRT

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Q) A student misreads the directions and adds 4.0 g of benzoic acid instead of 0.4 g. What do you expect to happen? Would the experiment still be valid? Explain your reasoning. Pure Lauric Acid Lauric Acid + 0.4 g Benzoic Acid Lauric Acid + 0.5 g Benzoic Acid Mass of Lauric Acid 3.03g 3.00g 3.00g Mass of Benzoic Acid 0 g 0.40g 0.50g Freezing Point 43’C 39’C 38’C Freezing Point Depression * 4’C 5’C Molality of Benzoic Acid in Lauric Acid* 1.026 mol/kg 1.282 mol/kg Moles of Benzoic Acid * 0.003 moles 0.004 moles Experimental Molar Mass of Benzoic Acid * 133.3g/mol 125 g/mol Average Molar Mass * 129.15g/mol Percent Error * 5.75%
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