lab 6 - Katie Marrero 2 Noah Orfield R 110 We need Vitamin...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Katie Marrero 2 Noah Orfield R 110 We need Vitamin C! Results and Calculation Table 1 Experimental values for titration 2, 3, 4, and 5 Titration 2 Titration 3 Titration 4 Titration 5 Volume of orange juice (mL) 10.0 10.0 10.0 10.0 Molarity I 3 - 0.003 0.003 0.003 0.003 Molar Mass of Vitamin C 176.12 176.12 176.12 176.12 (Titration 1 was used to arbitrarily find the mL needed for all titrations) M of Vitamin C (C 6 H 8 O 6 )= 6(12.01g/mol)+8(1.007g/mol) +6(16.00g/mol)=172.12g/mol Table 2 Results from Titrations 2, 3, 4, and 5 Titration 2 Titration 3 Titration 4 Titration 5 Initial Burette Reading (mL) 12.30 21.20 29.50 38.60 Final Burette Reading (mL) 21.20 29.50 38.10 46.90 Total Titrant Used (mL) 8.90 8.30 8.60 8.30 mg of Vitamin C 4.70 4.39 4.55 4.39 Average mg of Vitamin C 4.51 mg Amount of Vitamin C (mg) advertised in bottle (for 10 mL) 2.4 mg Percent Error 87.92% (Titration 1 was used to arbitrarily find the mL needed for all titrations) Sample Calculation for titration 1 Total titrant used=final burette reading – initial burette reading=21.20mL-
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/10/2010 for the course CHEM 106A taught by Professor Phillips during the Fall '08 term at Vanderbilt.

Page1 / 2

lab 6 - Katie Marrero 2 Noah Orfield R 110 We need Vitamin...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online