1. Weigh 0,500 g of NaCl-containing sample and treat with 25 mL of 0.1086 M AgNO3solution. The remaining AgNO3 is titrated with 11.3 mL of 0.1010 M KSCN. How many gNaCl is found in the sample? find mass percentage of NaCl in the sample? (NaCl = 58.5 g /mol).2. Arsenic in a 5.0 gram sample is converted to H3ASO4 by appropriateprocedures. After the acid is neutralized and converted to AsO 4³ ion, 35.0 mL,0.04952 M AgNO3 is added to precipitate Ag3ASO4(s)3Ag+ AsO4³ Ag3ASO4(s)8.88 mL of 0.1110 M KSCN was used to titrate excess AgAg +SCN→ AgSCN (s)Calculate the mass percentage of As2O3 in the sample? (As203: 198)

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1. Weigh 0,500 g of NaCl-containing sample and treat with 25 mL of 0.1086 M AgNO3 solution. The remaining AgNO3 is titrated with 11.3 mL of 0.1010 M KSCN. How many g NaCl is found in the sample? find mass percentage of NaCl in the sample? (NaCl = 58.5 g/ mol).

1. Weigh 0,500 g of NaCl-containing sample and treat with 25 mL of 0.1086 M AgNO3 solution. The remaining AgNO3 is titrated with 11.3 mL of 0.1010 M KSCN. How many g NaCl is found in the sample? find mass percentage of NaCl in the sample? (NaCl = 58.5 g/ mol).

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 59QAP: In order to determine the purity of ammonium sulfate, a sample with a mass of 0.850 g is dissolved...

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Question

1. Weigh 0,500 g of NaCl-containing sample and treat with 25 mL of 0.1086 M AgNO3
solution. The remaining AgNO3 is titrated with 11.3 mL of 0.1010 M KSCN. How many g
NaCl is found in the sample? find mass percentage of NaCl in the sample? (NaCl = 58.5 g /
mol).
2. Arsenic in a 5.0 gram sample is converted to H3ASO4 by appropriate
procedures. After the acid is neutralized and converted to AsO 4³ ion, 35.0 mL,
0.04952 M AgNO3 is added to precipitate Ag3ASO4(s)
3Ag+ AsO4³ Ag3ASO4(s)
8.88 mL of 0.1110 M KSCN was used to titrate excess Ag
Ag +SCN→ AgSCN (s)
Calculate the mass percentage of As2O3 in the sample? (As203: 198)

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