Maurice Tutor

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About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 6 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Jun 2017 My Price 15.00

ata for BaCl2?yH2O

Source of Data: names of students

Sample 1 is yours.

Sample 2 get data from another Team. **

 

Our team

 

Another team

 

Data for BaCl2?yH2O

Sample 1

g or moles

Sample 2

g or moles

(1) mass of a clean crucible

21.090

*21.090

(2) mass of crucible and hydrated salt BaCl2?yH2O

22.227

*22.247

(3) mass of hydrated salt BaCl2?yH2O

1.129

  

(4) a. mass after first heating

22.050

  

b. mass after second heating

22.048

*22.123

c. mass after third heating

22.047

*22.120

(5) mass of water lost

    

(6) moles of water lost

    

(7) mass of dehydrated salt BaCl2

    

(8) moles of dehydrated salt BaCl2

    

 

**Copy only data in boxes marked with *. Either 4b or 4c whichever is the last mass.

 

Average (6) moles of water for Samples 1 and 2

  

Average (8) moles of BaCl2 for Samples 1 and 2

  

 

Show calculations for Lines 5, 6, 7, 8 & Averages neatly on other side of this page.

Use the Averages for Lines 6 and 8 in the calculations on page 65.

1.

Ratio of moles H2O produced to moles BaCl2 produced

 

 

2.

formula of BaCl2*yH2O ( round off above ratio)

 

3.

Experimental molar mass of BaCl2*yH2O:

 

4.

Balanced chemical equation (include phases of reactants and products):

 

 

 

 

WORKSHEET 3: FeC2O4?zH2O STOICHIOMETRY

 

Source of Data: names of students

Sample 1 is yours.

Sample 2 get data from another Team. **

 

Our team

 

Another team

 

Data for FeC2O4?zH2O

Sample 1

g or moles

Sample 2

g or moles

(1) mass of a clean crucible

20.087

*21.100

(2) mass of crucible and hydrated salt FeC2O4?zH2O

21.673

*22.494

(3) mass of hydrated salt FeC2O4?zH2O

1.599

1.394

(4) a. mass after first heating

20.772

  

b. mass after second heating

20.765

*21.692

c. mass after third heating

20.761

*21.684

(5) mass of CO, CO2, and H2O lost [(2) minus (4)b or c]

    

(6) mass of Fe2O3 [(4)b or c minus (1)]

    

(7) moles of Fe2O3 [convert (6) mass to moles]

    

(8) moles of FeC2O4?zH2O initially present ***

    

 

Average (3) mass of FeC2O4?zH2O for Samples 1 & 2

  

Average (8) moles of FeC2O4?zH2O for Samples 1 & 2

  

 

 

**Copy only data in boxes marked with *.Either 4b or 4c whichever is the last mass

***moles ofFeC2O4?zH2Oinitially present can be determined by comparingFeC2O4?zH2OandFe2O3in the balanced chemical equation.

 

Show calculations for Lines 5, 6, 7, 8 & Averages neatly on other side of this page.

Use the Averages for Lines 3 and 8 in the calculations on page 69.

 

 

Experimental molar mass of FeC2O4*zH2O (use 3 and 8 from worksheet calculate the mass of one mole of FeC2O4*zH2O)

 

 

2

Formula of FeC2O4*zH2O (Show calculation)

3

balanced chemical equation (include phases of reactants and products)

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Jun 2017 08:06 PM My Price 15.00

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