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Calculated Values 1. Volume of H₂ if it was collected at STP 2. No. of equivalents of H₂ (11.2 L@STP = 1 equiv.) 3. No. of equivalents of Mg needed to produce the above (no. g of Mg/no. of equiv.) atomic weight/equiv. weight) 4. Equivalent weight of Mg 5. Valence of Mg (valence 6. % error in the equivalent weight *valence is equivalent to oxidation state ##### ml. equiv. equiv. g/equiv. %

Calculated Values 1. Volume of H₂ if it was collected at STP 2. No. of equivalents of H₂ (11.2 L@STP = 1 equiv.) 3. No. of equivalents of Mg needed to produce the above (no. g of Mg/no. of equiv.) atomic weight/equiv. weight) 4. Equivalent weight of Mg 5. Valence of Mg (valence 6. % error in the equivalent weight *valence is equivalent to oxidation state ##### ml. equiv. equiv. g/equiv. %

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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Mg(s) + 2HCl(a) →MgCl₂ (aq) + H₂(g) -0.024 = 29.6 ml. = 0.996 ATM = 297 K Data Sheet Experimental Values 1. Mass (weight) of Mg ribbon 2. Volume of wet gas (V₁) 3. Barometric pressure (V₁) 4. Temperature of water and gas (7) 5. Vapor pressure of water at 6. Height of water (Ah) 7. Pressure of H₂O (P) 8. Pressure of gas (if dry) 256.92 torr 24 °C °C 24 = Ah/13.6 Pg=Pb-Pwy-Pw Calculated Values 1. Volume of H, if it was collected at STP 2. No. of equivalents of H₂ (11.2 L @ STP = 1 equiv.) 3. No. of equivalents of Mg needed to produce the above 4. Equivalent weight of Mg (no. g of Mg/no. of equiv.) 5. Valence of Mg (valence = atomic weight/equiv. weight) 6. % error in the equivalent weight *valence is equivalent to oxidation state Pwy 22.38 274 P.= 20.15 =714.37 |||||||||||| 8 torr mm torr torr = 0.939 ATM mL equiv. equiv. g/equiv. %
Transcribed Image Text:Mg(s) + 2HCl(a) →MgCl₂ (aq) + H₂(g) -0.024 = 29.6 ml. = 0.996 ATM = 297 K Data Sheet Experimental Values 1. Mass (weight) of Mg ribbon 2. Volume of wet gas (V₁) 3. Barometric pressure (V₁) 4. Temperature of water and gas (7) 5. Vapor pressure of water at 6. Height of water (Ah) 7. Pressure of H₂O (P) 8. Pressure of gas (if dry) 256.92 torr 24 °C °C 24 = Ah/13.6 Pg=Pb-Pwy-Pw Calculated Values 1. Volume of H, if it was collected at STP 2. No. of equivalents of H₂ (11.2 L @ STP = 1 equiv.) 3. No. of equivalents of Mg needed to produce the above 4. Equivalent weight of Mg (no. g of Mg/no. of equiv.) 5. Valence of Mg (valence = atomic weight/equiv. weight) 6. % error in the equivalent weight *valence is equivalent to oxidation state Pwy 22.38 274 P.= 20.15 =714.37 |||||||||||| 8 torr mm torr torr = 0.939 ATM mL equiv. equiv. g/equiv. %
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