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A student was given an unknown chloride of copper. He was asked to determine the formula of the chloride. He mixed the chloride with 2.125 g Zn. When the reaction was completed, the copper that was formed from the reaction was transferred (following a series of steps to detach the copper solid from the Zn solid and washing off zinc chloride from it) to a previously weighed out evaporating dish. Fill in the blanks in answering the question. Mass of Zinc chloride = 4.293 g Mass of evaporating dish = 10.320 g Mass of evaporating dish + copper (after drying) = 14.320 g Mass of copper = 4.00g Mol of copper in original chloride? 0.063 mol Mol of zinc chloride ? 0.315 mol Mol of Cl in the chloride? 0.0315/0.063 I Mol CI/Cu? 1/2 For Blank 4 Chemical Formula of the copper chloride? CUC12 Systematic name of the copper chloride cupric chloride

A student was given an unknown chloride of copper. He was asked to determine the formula of the chloride. He mixed the chloride with 2.125 g Zn. When the reaction was completed, the copper that was formed from the reaction was transferred (following a series of steps to detach the copper solid from the Zn solid and washing off zinc chloride from it) to a previously weighed out evaporating dish. Fill in the blanks in answering the question. Mass of Zinc chloride = 4.293 g Mass of evaporating dish = 10.320 g Mass of evaporating dish + copper (after drying) = 14.320 g Mass of copper = 4.00g Mol of copper in original chloride? 0.063 mol Mol of zinc chloride ? 0.315 mol Mol of Cl in the chloride? 0.0315/0.063 I Mol CI/Cu? 1/2 For Blank 4 Chemical Formula of the copper chloride? CUC12 Systematic name of the copper chloride cupric chloride

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 139QRT
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A student was given an unknown chloride of copper. He was asked to determine the formula of the chloride. He mixed the chloride with 2.125 g Zn. When the reaction was completed, the copper that was formed from the reaction was transferred (following a series of steps to detach the copper solid from the Zn solid and washing off zinc chloride from it) to a previously weighed out evaporating dish. Fill in the blanks in answering the question. Mass of Zinc chloride = 4.293 g Mass of evaporating dish = 10.320 g Mass of evaporating dish + copper (after drying) = 14.320 g END Mass of copper = 4.00g !! Mol of copper in original chloride? 0.063 mol Mol of zinc chloride ? 0.315 mol Mol of Cl in the chloride? 0.0315/0.063 Mol CI/Cu? 1/2 For Blank 4 Chemical Formula of the copper chloride? CUC12 Systematic name of the copper chloride cupric chloride
Transcribed Image Text:A student was given an unknown chloride of copper. He was asked to determine the formula of the chloride. He mixed the chloride with 2.125 g Zn. When the reaction was completed, the copper that was formed from the reaction was transferred (following a series of steps to detach the copper solid from the Zn solid and washing off zinc chloride from it) to a previously weighed out evaporating dish. Fill in the blanks in answering the question. Mass of Zinc chloride = 4.293 g Mass of evaporating dish = 10.320 g Mass of evaporating dish + copper (after drying) = 14.320 g END Mass of copper = 4.00g !! Mol of copper in original chloride? 0.063 mol Mol of zinc chloride ? 0.315 mol Mol of Cl in the chloride? 0.0315/0.063 Mol CI/Cu? 1/2 For Blank 4 Chemical Formula of the copper chloride? CUC12 Systematic name of the copper chloride cupric chloride
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