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Gravimetric Analysis of AgNO3 A student attempts to determine the correct equation to describe the thermal decomposition reaction of AgNO3. Heating 4.7885 g of AgNO3 (i.e. about 5 g) gave 3.0406 g of residue. The following three equations have been determined as the most likely possibilities: 1. 2 AgNO3(s) → 2 AgNO2(s) + O2(g) 2. 2 AgNO3(s) → 2 Ag(s) + 2 NO2(g) + O2(g) -> 3. 4 AgNO3(s) → 2 Ag2O(s) + 4 NO2(g) + O2(g) -> sito ince fill out fornill, bubora bilo to Using the data provided and the stoichiometry of the above equations, determine which of the equations correctly describes the thermal decomposition of AgNO3. If Initial mass of AgNO3 = 4.7885 g Initial number of moles of AgNO3 = .02819mol - Table 1. Calculation of % Discrepancy Possible Percent Expected #moles Expected mass (g) residueat pitone (theoretical) open cidi (theoretical) osals Discrepancy bus codesup olve or benisido If AgNO₂ Giste abiz all to If Ag 2

Gravimetric Analysis of AgNO3 A student attempts to determine the correct equation to describe the thermal decomposition reaction of AgNO3. Heating 4.7885 g of AgNO3 (i.e. about 5 g) gave 3.0406 g of residue. The following three equations have been determined as the most likely possibilities: 1. 2 AgNO3(s) → 2 AgNO2(s) + O2(g) 2. 2 AgNO3(s) → 2 Ag(s) + 2 NO2(g) + O2(g) -> 3. 4 AgNO3(s) → 2 Ag2O(s) + 4 NO2(g) + O2(g) -> sito ince fill out fornill, bubora bilo to Using the data provided and the stoichiometry of the above equations, determine which of the equations correctly describes the thermal decomposition of AgNO3. If Initial mass of AgNO3 = 4.7885 g Initial number of moles of AgNO3 = .02819mol - Table 1. Calculation of % Discrepancy Possible Percent Expected #moles Expected mass (g) residueat pitone (theoretical) open cidi (theoretical) osals Discrepancy bus codesup olve or benisido If AgNO₂ Giste abiz all to If Ag 2

Chemistry
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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How to calculate expected moles and expected mass? Information provided in the picture.
Gravimetric Analysis of AgNO3 A student attempts to determine the correct equation to describe the thermal decomposition reaction of AgNO3. Heating 4.7885 g of AgNO3 (i.e. about 5 g) gave 3.0406 g of residue. The following three equations have been determined as the most likely possibilities: dista ifree eli suhoa bil.. Using the data provided and the stoichiometry of the above equations, determine which of the equations correctly describes the thermal decomposition of AgNO3. 1. 2 AgNO3(s) → 2 AgNO2(s) + O2(g) 2. 2 AgNO3(s) → 2 Ag(s) + 2 NO2(g) + O2(g) 3. 4 AgNO3(s) → 2 Ag2O(s) + 4 NO2(g) + O2(g) If AgNO₂ If Ag If Ag₂0 Table 1. Calculation of % Discrepancy Possible Expected #moles Expected mass (g) Percent residuettone (theoretical) nonoscidi (theoretical) osoals Discrepancy uste oblast on to aaam istnomsqs stil bes nouzsup erolvórg sal or bepistdo 1. Initial mass of AgNO3 4.7885 g Initial number of moles of AgNO3 = .02819mol 2. your979216 IositoreenT Calculations. Show all calculations, formulae and units below; give your final answers to the appropriate number of significant figures and place in chart above. = Molar mass of AgNO3. M= (1x 107.87) + (1x 14.01) + (3x 16.00) = 169.88g/mol Moles of AgNO3. n = m M qka fe ad as solit tegut al anc n = 4.7885g 169.88 g/mol = 0.02819 mol noitzu
Transcribed Image Text:Gravimetric Analysis of AgNO3 A student attempts to determine the correct equation to describe the thermal decomposition reaction of AgNO3. Heating 4.7885 g of AgNO3 (i.e. about 5 g) gave 3.0406 g of residue. The following three equations have been determined as the most likely possibilities: dista ifree eli suhoa bil.. Using the data provided and the stoichiometry of the above equations, determine which of the equations correctly describes the thermal decomposition of AgNO3. 1. 2 AgNO3(s) → 2 AgNO2(s) + O2(g) 2. 2 AgNO3(s) → 2 Ag(s) + 2 NO2(g) + O2(g) 3. 4 AgNO3(s) → 2 Ag2O(s) + 4 NO2(g) + O2(g) If AgNO₂ If Ag If Ag₂0 Table 1. Calculation of % Discrepancy Possible Expected #moles Expected mass (g) Percent residuettone (theoretical) nonoscidi (theoretical) osoals Discrepancy uste oblast on to aaam istnomsqs stil bes nouzsup erolvórg sal or bepistdo 1. Initial mass of AgNO3 4.7885 g Initial number of moles of AgNO3 = .02819mol 2. your979216 IositoreenT Calculations. Show all calculations, formulae and units below; give your final answers to the appropriate number of significant figures and place in chart above. = Molar mass of AgNO3. M= (1x 107.87) + (1x 14.01) + (3x 16.00) = 169.88g/mol Moles of AgNO3. n = m M qka fe ad as solit tegut al anc n = 4.7885g 169.88 g/mol = 0.02819 mol noitzu
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