Homework Answers
Formula mass of anhydrous salt is 183 g.
Let X g be the mass of hydrous salt
Y be the formula of anhydrous salt and
z be the moles of H2O present. Then,
Formula of hydrous salt is Y.zH2O.
Que no. 4
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An
unknown hydrated salt was analyzed and found to contain 16.4%
water. If the anhydrous salt...
An unknown salt AS XH2O was analyzed and found to contain 16.4% water. If the anhydrous...
An unknown salt AS XH2O was analyzed and found to contain 16.4% water. If the anhydrous salt has a formula mass of 183 amu, find the water of crystallization (X) for the hydrate.
use the information given to calculate the formula for mass/molar mass of the anhydrous salt of...
use the information given to calculate the formula for
mass/molar mass of the anhydrous salt of your unknown sample(show
calculations)
B. Determine the Formula of an Unknown Hydrate Unknown sample number: 20 Nickel II Molecular formula of the unknown: 1. Mass of crucible + unknown hydrate Nisou "X"H60 (sulfate) 37.40g 36-3lg 1:09g 2. Mass of crucible 3. Mass of unknown hydrate( 1 - 2) 4. Mass of crucible + anhydrous salt a. after first heating b. after second heating 31.3919...
a sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen....
a sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen. What is the empirical formula of the compound? 4, Calculate the empirical formula for the compound formed when 10.83 g of zinc are heated with sulfur to form 16.16 g of zinc sulfide.
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used...
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used as a desiccant in laboratory desiccators to maintain a dry environment Date ab SecName Desk No. Explain. 1sb 2. Experimental Procedure, Part A.1. What is the purpose of firing the crucible? 3. A 1.803-g sample of gypsum, a hydrated salt of calcium sulfate, Caso., is heated at a temperature greater than 120 C in a crucible until a constant mass is reached. The mass...
DATA ANALYSIS 3. Some salts, when they form, may trap water are referred to as hydrated...
DATA ANALYSIS 3. Some salts, when they form, may trap water are referred to as hydrated salts. The structure. This is referred to as an anhydrous sait. of water molecules per unit of salt (e.g. xg H, per When heated, the water can be drivent from the salt it results in the anhydrous form of that sa chloride. In its anhydrous form the formula for form the formula for cobalt chloride is CoCl2 XH2O per given unit of salt. If...
A hydrated form of copper sulfate (CuSO4 xH,O) is heated to drive off all of the...
A hydrated form of copper sulfate (CuSO4 xH,O) is heated to drive off all of the water. If there is initially 9.22 g of hydrated salt and there is 5.89 g of anhydrous CuSo, after heating, find the number of water molecules associated with each CUSO4 formula unit.
a sample of unknown ore was analyzed and found to contain 12.7% al,19.7%n, and 67.6%o. what...
a sample of unknown ore was analyzed and found to contain 12.7% al,19.7%n, and 67.6%o. what is the empirical formula of this one
In an experiment like the one you performed in lab, a hydrated CuSO_4 salt was heated...
In an experiment like the one you performed in lab, a hydrated CuSO_4 salt was heated and thus dehydrated. Determine the % H_2O by weight in the hydrated CuSO_4 salt. mass of empty dish = 56.123 g mass of dish + hydrated salt = 56.978 g mass of dish + dehydrated salt = 56.719 Use the data found in question number 3: Determine the empirical formula for the hydrated CuSO_4 salt.
need 6 and 7 need the answer and work for question #6 and 7 hydrated salt...
need 6 and 7
need the answer and work for question #6 and 7
hydrated salt Tria 13 43,692 Experiment s Report sheet "percent water in a Trial 1 I. Mass of fired cncible and lidly) 48.837 Trial 2 46.868 2 Mass of fired cricible, lid and hydrated $1,507 49359 3. Instructor's approval of fame and 4. Mass of crucible lid, and anhydrous sulta 1st mass mesurementig) 'So. 296 48.211 46,615 apparatos 45.351 and Mass Measurement(g) So, 142 48.146 45.191...
Find the standard deviation of %H2O and relative standard deviation of %H2O in hydrated salt (%RSD) using the following...
Find the standard deviation of %H2O and relative standard deviation of %H2O in hydrated salt (%RSD) using the following data. Show work. Trial 1 Trial 2 Trial 3 Mass of crucible and lid (g): 19.437 20.687 18.431 Mass of crucible, lid and hydrated salt (g): 21.626 25.111 22.167 Mass of crucible, lid and anhydrous salt (g): 21.441 24.702 21.762 Trial 1 Trial 2 Trial 3 Mass of Hydrated Salt (g): 2.189g 4.424g 4.186g Mass of Anhydrous Salt (g): 2.004g 4.105g...
use the information given to calculate the formula for
mass/molar mass of the anhydrous salt of your unknown sample(show
calculations)
B. Determine the Formula of an Unknown Hydrate Unknown sample number: 20 Nickel II Molecular formula of the unknown: 1. Mass of crucible + unknown hydrate Nisou "X"H60 (sulfate) 37.40g 36-3lg 1:09g 2. Mass of crucible 3. Mass of unknown hydrate( 1 - 2) 4. Mass of crucible + anhydrous salt a. after first heating b. after second heating 31.3919...
a sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen. What is the empirical formula of the compound? 4, Calculate the empirical formula for the compound formed when 10.83 g of zinc are heated with sulfur to form 16.16 g of zinc sulfide.
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used as a desiccant in laboratory desiccators to maintain a dry environment Date ab SecName Desk No. Explain. 1sb 2. Experimental Procedure, Part A.1. What is the purpose of firing the crucible? 3. A 1.803-g sample of gypsum, a hydrated salt of calcium sulfate, Caso., is heated at a temperature greater than 120 C in a crucible until a constant mass is reached. The mass...
DATA ANALYSIS 3. Some salts, when they form, may trap water are referred to as hydrated salts. The structure. This is referred to as an anhydrous sait. of water molecules per unit of salt (e.g. xg H, per When heated, the water can be drivent from the salt it results in the anhydrous form of that sa chloride. In its anhydrous form the formula for form the formula for cobalt chloride is CoCl2 XH2O per given unit of salt. If...
A hydrated form of copper sulfate (CuSO4 xH,O) is heated to drive off all of the water. If there is initially 9.22 g of hydrated salt and there is 5.89 g of anhydrous CuSo, after heating, find the number of water molecules associated with each CUSO4 formula unit.
In an experiment like the one you performed in lab, a hydrated CuSO_4 salt was heated and thus dehydrated. Determine the % H_2O by weight in the hydrated CuSO_4 salt. mass of empty dish = 56.123 g mass of dish + hydrated salt = 56.978 g mass of dish + dehydrated salt = 56.719 Use the data found in question number 3: Determine the empirical formula for the hydrated CuSO_4 salt.
need 6 and 7
need the answer and work for question #6 and 7
hydrated salt Tria 13 43,692 Experiment s Report sheet "percent water in a Trial 1 I. Mass of fired cncible and lidly) 48.837 Trial 2 46.868 2 Mass of fired cricible, lid and hydrated $1,507 49359 3. Instructor's approval of fame and 4. Mass of crucible lid, and anhydrous sulta 1st mass mesurementig) 'So. 296 48.211 46,615 apparatos 45.351 and Mass Measurement(g) So, 142 48.146 45.191...
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