Note: All measured masses are to be taken to the third decimal place. Part II: A Tin Oxide Mass of empty evaporating dish Mass of tin and evaporating dish before reaction 12. Mass tin 13. Moles of tin Mass tin oxide and evaporating dish after first heating 14. Mass of tin oxide after first heating Mass of tin oxide and evaporating dish after 2nd heating 15. Mass of tin oxide after 2nd heating Mass of tin oxide and evaporating dish after 3rd heating (if necessary) 16. Mass of tin oxide after 3rd heating (if necessary) 17. Mass of oxide 18. Moles of oxide 19. Empirical Formula (experimental) 20. Percentage of tin in tin oxide (experimental) 17. Calculations: 12. 87. 747-87.212 13. =0535 187.747-87.9491 = 0.20 2 0.533 Imd sn 118.71 =0.005 18. 0.20290.1 19. 14.187.2 12-87.9585. 87.949-8721216. N/A =0.744 = 0.737 169 0.013 mole 87.212 8 87.747 8 0.535 g 0.005 87.956 g 0.744 8 87.9498 0.737 8 N/A g N/A 20. mol g 0.202 8 0.013 mol % Experiment 7| Chemical Formula of Silver Chloride and a Tin Oxide 35 Part 1: A 12.87.7479-87.212g 13. 0.535 + 1 mol 118.71 = 0.5359 n 14.187.9569-87.21291 = 0.744 g 16. N/A = 0.005 mol 15. 87.949-87.212 = 0.737 17.187.9499-87.74719 18.0.202g. I mole = 0.202 g 16 g = 0.013 mole. 19. Empirical Formula of SnO₂ Sn 0.53S/118.71 02 0.2021 (16)
Note: All measured masses are to be taken to the third decimal place. Part II: A Tin Oxide Mass of empty evaporating dish Mass of tin and evaporating dish before reaction 12. Mass tin 13. Moles of tin Mass tin oxide and evaporating dish after first heating 14. Mass of tin oxide after first heating Mass of tin oxide and evaporating dish after 2nd heating 15. Mass of tin oxide after 2nd heating Mass of tin oxide and evaporating dish after 3rd heating (if necessary) 16. Mass of tin oxide after 3rd heating (if necessary) 17. Mass of oxide 18. Moles of oxide 19. Empirical Formula (experimental) 20. Percentage of tin in tin oxide (experimental) 17. Calculations: 12. 87. 747-87.212 13. =0535 187.747-87.9491 = 0.20 2 0.533 Imd sn 118.71 =0.005 18. 0.20290.1 19. 14.187.2 12-87.9585. 87.949-8721216. N/A =0.744 = 0.737 169 0.013 mole 87.212 8 87.747 8 0.535 g 0.005 87.956 g 0.744 8 87.9498 0.737 8 N/A g N/A 20. mol g 0.202 8 0.013 mol % Experiment 7| Chemical Formula of Silver Chloride and a Tin Oxide 35 Part 1: A 12.87.7479-87.212g 13. 0.535 + 1 mol 118.71 = 0.5359 n 14.187.9569-87.21291 = 0.744 g 16. N/A = 0.005 mol 15. 87.949-87.212 = 0.737 17.187.9499-87.74719 18.0.202g. I mole = 0.202 g 16 g = 0.013 mole. 19. Empirical Formula of SnO₂ Sn 0.53S/118.71 02 0.2021 (16)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter20: The Representative Elements
Section: Chapter Questions
Problem 98CWP
Related questions
Question
Please work on number 19 and 20. When you find the empirical formula I'm confused because I know the Tin Oxide is SnO2 but I don't know if I should multiply oxigen times two or i should just leave at 16. Explain step by step please, Show all of your WORK ON PICTURES!
Transcribed Image Text:Note: All measured masses are to be taken to the third decimal place.
Part II: A Tin Oxide
Mass of empty evaporating dish
Mass of tin and evaporating dish before reaction
12. Mass tin
13. Moles of tin
Mass tin oxide and evaporating dish after first heating
14. Mass of tin oxide after first heating
Mass of tin oxide and evaporating dish after 2nd heating
15. Mass of tin oxide after 2nd heating
Mass of tin oxide and evaporating dish after 3rd heating (if necessary)
16. Mass of tin oxide after 3rd heating (if necessary)
17. Mass of oxide
18. Moles of oxide
19. Empirical Formula (experimental)
20. Percentage of tin in tin oxide (experimental)
17.
Calculations:
12. 87. 747-87.212 13.
=0535
187.747-87.9491
= 0.20 2
0.533 Imd sn
118.71
=0.005
18. 0.20290.1
19.
14.187.2 12-87.9585. 87.949-8721216. N/A
=0.744
= 0.737
169
0.013 mole
87.212 8
87.747 8
0.535
g
0.005
87.956
g
0.744 8
87.9498
0.737 8
N/A g
N/A
20.
mol
g
0.202 8
0.013 mol
%
Experiment 7| Chemical Formula of Silver Chloride and a Tin Oxide
Transcribed Image Text:35
Part 1: A
12.87.7479-87.212g 13. 0.535 + 1 mol
118.71
= 0.5359
n
14.187.9569-87.21291
= 0.744 g
16. N/A
= 0.005 mol
15. 87.949-87.212
= 0.737
17.187.9499-87.74719 18.0.202g. I mole
= 0.202 g
16 g
= 0.013 mole.
19. Empirical Formula of SnO₂
Sn
0.53S/118.71
02 0.2021 (16)
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