blorauoH 10 viibib A1. Add about 25 ml of tap water to an Erlenmeyer flask.Next add one drop of phenolphthalein. Observed color in (neutral) waterAdd 4 drops of 0.1 M NaOH solutionAdd 8 drops of 0.1 M HCl solutionObserved colorObserved color

Add about 25 ml of tap water to an Erlenmeyer flask Add one drop of phenolphthalein. Observe color…

Answered: blorauoH 10 viibib A 1. Add about 25 ml…

Chemistry

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Procedure Preparation of Dilute Solution of Vinegar • Using a 10 mL pipette, transfer 10mL of vinegar into 100 mL volumetric flask. • Dilute to mark of the volumetric flask using distilled water. B. Titration of Diluted Solution of Vinegar • Transfer 25 mL of diluted solution to 250 mL Erlenmeyer flask. • Add 0.5 mL phenolphthalein indicator. Set aside. • Transfer 50mL of 0.110 M NaOH into a 50 mL burette. • Titrate the diluted solution until the phenolphthalein endpoint (very faint pink). • Record volume of NaOH used. Answer the question: What is the experimentally determined concentration of acetic acid in your vinegar solution: (Please give your answer to three significant figures.) ______ M Acetic Acid
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A mixture may contain NaOH, NaHCO3, Na2CO3 or any compatible mixture of these. A sample weighing 0.245 g requires 10.30 mL of 0.0990 N HCl to reach a phenolpthalein endpoint and an additional 26.25 mL to reacha bromcresol green endpoint. a. What are the components of the mixture? Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3 b. Determine the composition anf amounts (in w/w) of each components of the mixture. Put 0 for the component which is no present. b1. % NaOH b2. %NaHCO3 b3. %Na2CO3
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blorauoH 10 viibib A 1. Add about 25 ml of tap water to an Erlenmeyer flask. Next add one drop of phenolphthalein. Observed color in (neutral) water Add 4 drops of 0.1 M NaOH solution Add 8 drops of 0.1 M HCl solution Observed color Observed color