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A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding anhydrous NaCr(SO₂)₂ (molar mass - 267 g/mol). What is the mass of the original NaCr(SO), 10H₂O sample? Molar mass of H₂O = 18.0 g/mol a) 1.79 g b) 2.13 g c) 2.46 g d) 2.80 g e) 3.13 g

A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding anhydrous NaCr(SO₂)₂ (molar mass - 267 g/mol). What is the mass of the original NaCr(SO), 10H₂O sample? Molar mass of H₂O = 18.0 g/mol a) 1.79 g b) 2.13 g c) 2.46 g d) 2.80 g e) 3.13 g

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
Chapter19: The Chemistry Of The Main-group Elements
Section19.5: Extraction By Chemical Oxidation-reduction: Phosphorus, Bromine, And Iodine
Problem 19.9E
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A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding anhydrous NaCr(SO₂)2 (molar mass 267 g/mol). What is the mass of the original NaCr(SO)₂.10H₂O sample? Molar mass of H₂O = 18.0 g/mol a) 1.79 g b) 2.13 g c) 2.46 g d) 2.80 g- e) 3.13 g
Transcribed Image Text:A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding anhydrous NaCr(SO₂)2 (molar mass 267 g/mol). What is the mass of the original NaCr(SO)₂.10H₂O sample? Molar mass of H₂O = 18.0 g/mol a) 1.79 g b) 2.13 g c) 2.46 g d) 2.80 g- e) 3.13 g
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