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QUESTION 38 A 2.000 gram sample of copper chloride was analyzed and produced 1.284 grams of copper. Calculate the empirical formula of copper chloride. CuCl CuCl2 Cu2Cl O CuCl4 none of these O O O O

QUESTION 38 A 2.000 gram sample of copper chloride was analyzed and produced 1.284 grams of copper. Calculate the empirical formula of copper chloride. CuCl CuCl2 Cu2Cl O CuCl4 none of these O O O O

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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QUESTION 38 A 2.000 gram sample of copper chloride was analyzed and produced 1.284 grams of copper. Calculate the empirical formula of copper chloride. CuCl CuCl2 Cu2Cl CuCl4 none of these QUESTION 39 A 22.74 g sample of a metal is heated to 95.2°C and placed in a calorimeter containing 181.0g of water (c = 4.184 J/g °C) at 22.2°C. The final temperatur 24.1°C. Neglecting any heat lost to the calorimeter, which of the following metals was used in this experiment? Aluminum (c = .89 J/g °C) Iron (c = .45 J/g °C) Copper (c = .20 J/g °C) Lead (c = .14 J/g °C) QUESTION 40 Calculate the molar concentration of the acid if 35.18mL of hydrochloric acid was required to neutralize 45.0 mL of 0.345 M calcium hydroxide. Be sure to use a balanced equation. Report the answer as a # space unit space formula. Click Save and Submit to save and submit. Click Save All Answers to save all answers. O O
Transcribed Image Text:QUESTION 38 A 2.000 gram sample of copper chloride was analyzed and produced 1.284 grams of copper. Calculate the empirical formula of copper chloride. CuCl CuCl2 Cu2Cl CuCl4 none of these QUESTION 39 A 22.74 g sample of a metal is heated to 95.2°C and placed in a calorimeter containing 181.0g of water (c = 4.184 J/g °C) at 22.2°C. The final temperatur 24.1°C. Neglecting any heat lost to the calorimeter, which of the following metals was used in this experiment? Aluminum (c = .89 J/g °C) Iron (c = .45 J/g °C) Copper (c = .20 J/g °C) Lead (c = .14 J/g °C) QUESTION 40 Calculate the molar concentration of the acid if 35.18mL of hydrochloric acid was required to neutralize 45.0 mL of 0.345 M calcium hydroxide. Be sure to use a balanced equation. Report the answer as a # space unit space formula. Click Save and Submit to save and submit. Click Save All Answers to save all answers. O O
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