Complex-Formation Titrations with EDTA

Complex-Formation Titrations with EDTA - 4/19/11 Click to...

Info iconThis preview shows pages 1–14. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: 4/19/11 Click to edit Master subtitle style Complex-Formation Titrations with EDTA By Joel I. Eldridge 4/19/11 Objective &#2; To determine the hardness of the water sample 4/19/11 Why EDTA? 4/19/11 Solutions &#2; pH 10 Buffer Solution 4/19/11 Solutions &#2; Eriochrome Black T Indicator (EBT) 4/19/11 Solutions &#2; 0.01 M EDTA Solution 4/19/11 Procedure 4/19/11 Equations Ca2+ (aq) + H2Y2- ( aq) CaY(aq) + 2H+ (aq) Mg2+(aq) + H2Y2- ( aq) MgY(aq) + 2H+(aq) 4/19/11 Mg CaCO3/1L (PPM) 1g 1000g FM V V FM M ass 3 C aC O E D T A 500L E D T A E D T A 4/19/11 Mg CaCO3/1L (PPM) 4/19/11 Results Samples 1 2 3 4 5 EDTA added (mL) 1.1 0.91 0.91 0.95 0.85 CaCo3 in sample (mg) 5.3 4.5 4.5 4.8 4.3 Mean S.D. R.S.D. C .L. 4.71 0.37 8.0 0.032 4/19/11 Hardness rating Concentration of Calcium Carbonate ( mg/L ) Concentration of Calcium Carbonate (grains/US gallon) Soft 0 to <75 0 to <5.2 Medium hard 75 to <150 5.2 to <10.5 Hard 150 to <300 10.5 to <21 Very hard 300 and greater 21 and greater 4/19/11 Discussion/ Conclusion 4/19/11...
View Full Document

This note was uploaded on 04/18/2011 for the course CHEMISTRY 210 taught by Professor Dr.han during the Spring '11 term at Fayetteville State University.

Page1 / 15

Complex-Formation Titrations with EDTA - 4/19/11 Click to...

This preview shows document pages 1 - 14. Sign up to view the full document.

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