The hydrated salt, MY3·xH2O, was heated strongly in a crucible to remove all the water molecules of crystallization. The data for this experiment are given in the table below. Mass of empty crucible and cover 28.86 g Mass of crucible, cover, and hydrated salt 32.86 g Mass of crucible, cover, and anhydrous salt 31.24 g Molar mass of anhydrous salt 238.03 g/mol (i) Calculate the % composition by mass of water in the hydrated salt. (ii) Determine the value of x. (iii) M is in Period 4 of the Periodic Table of the Elements. If Y = NO3– , identify the element M.
The hydrated salt, MY3·xH2O, was heated strongly in a crucible to remove all the water molecules of crystallization. The data for this experiment are given in the table below. Mass of empty crucible and cover 28.86 g Mass of crucible, cover, and hydrated salt 32.86 g Mass of crucible, cover, and anhydrous salt 31.24 g Molar mass of anhydrous salt 238.03 g/mol (i) Calculate the % composition by mass of water in the hydrated salt. (ii) Determine the value of x. (iii) M is in Period 4 of the Periodic Table of the Elements. If Y = NO3– , identify the element M.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 120QRT
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The hydrated salt, MY3·xH2O, was heated strongly in a crucible to remove all the water
molecules of crystallization.
The data for this experiment are given in the table below.
Mass of empty crucible and cover 28.86 g
Mass of crucible, cover, and hydrated salt 32.86 g
Mass of crucible, cover, and anhydrous salt 31.24 g
Molar mass of anhydrous salt 238.03 g/mol
(i) Calculate the % composition by mass of water in the hydrated salt.
(ii) Determine the value of x.
(iii) M is in Period 4 of the Periodic Table of the Elements.
If Y = NO3– , identify the element M.
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