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4. An unknown sample containing oxalic acid (H2C204) was analyzed using 0.2586 N NaOH. The following data were obtained in one of the trials of analysis Mass of unknown initial reading final reading 0.4658 g 10.10 mL - 30.90 mL a. What is the net volume of NaOH used in Liters 30.90ml 10-10m² = 20.8m² ? b. What is the molar mass of oxalic acid, H=1 g/mol, C=12 g/mol, O=16 g/mol H=1x2 =2 12x2=24 C 0=16x4 = 64 c. Calculate the % H2C2O4 in the sample ] 90 g/mol

4. An unknown sample containing oxalic acid (H2C204) was analyzed using 0.2586 N NaOH. The following data were obtained in one of the trials of analysis Mass of unknown initial reading final reading 0.4658 g 10.10 mL - 30.90 mL a. What is the net volume of NaOH used in Liters 30.90ml 10-10m² = 20.8m² ? b. What is the molar mass of oxalic acid, H=1 g/mol, C=12 g/mol, O=16 g/mol H=1x2 =2 12x2=24 C 0=16x4 = 64 c. Calculate the % H2C2O4 in the sample ] 90 g/mol

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
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4. An unknown sample containing oxalic acid (H2C204) was analyzed using 0.2586 N NaOH. The following data were obtained in one of the trials of analysis Mass of unknown initial reading final reading a. What is the net volume of NaOH used in Liters 30.90ml - 0.4658 g 10.10 mL 30.90 mL 10-10m² = 20.8m² ? b. What is the molar mass of oxalic acid, H=1 g/mol, C=12 g/mol, O=16 g/mol H=1x2=2 7 90 g/mol a с 12x2=24 0=146x4 = 64 c. Calculate the % H2C2O4 in the sample
Transcribed Image Text:4. An unknown sample containing oxalic acid (H2C204) was analyzed using 0.2586 N NaOH. The following data were obtained in one of the trials of analysis Mass of unknown initial reading final reading a. What is the net volume of NaOH used in Liters 30.90ml - 0.4658 g 10.10 mL 30.90 mL 10-10m² = 20.8m² ? b. What is the molar mass of oxalic acid, H=1 g/mol, C=12 g/mol, O=16 g/mol H=1x2=2 7 90 g/mol a с 12x2=24 0=146x4 = 64 c. Calculate the % H2C2O4 in the sample
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