Question

1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the specific types of glassware you will use. (2 points)

Answer 1

1) The equivalence point in an acid-base titration occurs when the number of moles of titrant added is equal to the initial moles in solution.

2) The volume of stock solution required is calculated:

V1 = C2 * V2 / C1 = 0.1 M * 10 mL / 1 M = 1 mL

1 mL of 1 M HCl solution is measured with a burette and deposited in a 10 mL flash.

It is completed with distilled water to the capacity line.

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