B. 55.3605%C. 60.7023%D. 61.9649%33. In standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol), the analyst uses 35.50ML of the alkali and has to run back with 8.25 mL of acid (1 mL 10.75 mg NaOH). What is the molarity of theNaOH solution?A. 0.8520 MB. 0.6546 MC. 0.4572 MD. 0.2598 M34. A sample of a pyrolusite weighs 0.5000 g. To this is added 0.6674 g of As203 and dilute acid. After solvent actionhas ceased, the excess three-valent arsenic is titrated with 45.00 mL of 0.1000 N KMNO4. Calculate the oxidizingpower of the pyrolusite in tems of percentage MnO2.A. 78.1506%B. 55.8107%C. 39.0006%D. 19.5003%35. A solution of iodine is such concentration that 20.00 mL are required to titrate the antimony in a 0.100 g samplecontaining 84.93% Sb2S3 (339.7 g/mol). What is the value of 1.00 mL of this iodine in terms of grams of sulfur intitration?A. 0.0248 NB. 0.0496 NC. 0.0744 ND. 0.1489 N3.

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**. n standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol), the analyst uses 35.50 ML of the alkali and has to run back with 8.25 mL of acid (1 mL 10.75 mg NaOH). What is the molarity of the NaOH solution? A. 0.8520 M B. 0.6546 M C. 0.4572 M D. 0.2598 M

**. n standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol), the analyst uses 35.50 ML of the alkali and has to run back with 8.25 mL of acid (1 mL 10.75 mg NaOH). What is the molarity of the NaOH solution? A. 0.8520 M B. 0.6546 M C. 0.4572 M D. 0.2598 M

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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

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