The reason as to why the samples can often be separated into their components by chromatography is to be stated. Concept introduction: Chromatography is the technique used to identify the components of a mixture. The separation of mixture is based upon the polarity of the components present in the mixture. The division of the distance covered by the component of a compound to the distance covered by solvent in the chromatography technique is known as the R f value. The full form of R f value is retention value.

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43) 10.00 ml of vinegar (active ingredient is acetic acid) is titrated to the endpoint using 19.32 ml of 0.250 M sodium hydroxide. What is the molarity of acetic acid in the vinegar? YOU MUST SHOW YOUR WORK. NOTE: MA x VA = MB x VB

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Chapter 2, Problem 2ASA

Interpretation Introduction

Interpretation:

The reason as to why the samples can often be separated into their components by chromatography is to be stated.

Concept introduction:

Chromatography is the technique used to identify the components of a mixture. The separation of mixture is based upon the polarity of the components present in the mixture. The division of the distance covered by the component of a compound to the distance covered by solvent in the chromatography technique is known as the Rf value. The full form of Rf value is retention value.

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43) 10.00 ml of vinegar (active ingredient is acetic acid) is titrated to the endpoint using 19.32 ml of 0.250 M sodium hydroxide. What is the molarity of acetic acid in the vinegar? YOU MUST SHOW YOUR WORK. NOTE: MA x VA = MB x VB

424 Repon Sheet Rates of Chemical Reactions : Rate and Order of 1,0, Deception B. Effect of Temperature BATH TEMPERATURE 35'c Yol of Oh نام Time 485 Buret rend ing(n) 12 194 16. 6 18 20 10 22 24 14 115 95 14738 2158235 8:26 CMS 40148 Total volume of 0, collected Barometric pressure 770-572 ml mm Hg Vapor pressure of water at bath temperature (see Appendix L) 42.2 Slope Compared with the rate found for solution 1, there is Using the ideal gas law, calculate the moles of O; collected (show calculations) times faster 10 Based on the moles of O, evolved, calculate the molar concentration of the original 3% 1,0, solution (sho calculations)

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