Multiple ChoiceEach of the numbered items or incomplete statements is followed by answers or by completions of the statement.Select the one lettered answer or completion that is best in each case. Write your answer before each number.21. The components of a blank used in the assay of a substance are, except:a.IndicatorC.Analyteb. Reagentd.Solvent22.A concentration expression referring to the number of equivalents of solute per liter of solution is:a. FormalityC.MolalityNormalityb. Molarityd.23. Indicators used for acid-base titration, EXCEPTa. methyl redb. ferric alumphenolphthaleinmethyl orangeC.d.I

Requirement from student: Three objective question and answers

21. The components of a blank used in the assay of a substance are, except: a. Indicator c. Analyte d. Solvent b. Reagent 22.A concentration expression referring to the number of equivalents of solute per liter of solution is: a. Formality c. Molality b. Molarity d. Normality 23. Indicators used for acid-base titration, EXCEPT a. methyl red c. phenolphthalein methyl orange b. ferric alum d.

21. The components of a blank used in the assay of a substance are, except: a. Indicator c. Analyte d. Solvent b. Reagent 22.A concentration expression referring to the number of equivalents of solute per liter of solution is: a. Formality c. Molality b. Molarity d. Normality 23. Indicators used for acid-base titration, EXCEPT a. methyl red c. phenolphthalein methyl orange b. ferric alum d.

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...

See similar textbooks

Similar questions

The controlled addition of a liquid into a vessel to measure the volume that reacts with a substance already in the vessel is called: a. concentration b. hydration c. titration d. dilution
39.Which of the following best describes a titration? A. A known amount of one reactant is used to determine the amount of another reactant. B. Combining two reactants to form a product and measuring the amount of that product against the theoretical yield. C. A known amount of both products is used to determine the amount of reactant. D. A known amount of one product is used to determine the amount of another product. E. A known amount of one reactant is used to determine the amount of product formed.
ID: B Name: Multiple Choice Identify the cholce tha best completes the statement or answers the question. 5. Concentration Suspension Solution Solute a. c. b. d.
In part A of the Experiment, you are asked to prepare three saturated solutions of cadmium oxalate. This is achieved by mixing 0.100M solutions of sodium oxalate and cadmium nitrate together, to form cadmium oxalate. What piece of glassware should be used to measure the desired volumes of the sodium oxalate and cadmium nitrate solutions? A. a 10-mL graduated cylinder B. a buret C. a 50-mL graduated cylinder D. a volumetric pipet
Which of the following will increase the rate at which a solute dissolves? A. breaking up or crushing the solute into smaller pieces B. decreasing the temperature of the solvent C. increasing the amount of solute D. leaving the solute undisturbed in the solvent
*Record final buret volume and volume of NaOH in Lab Data *Calculate molarity of acetic acid in vinegar solution. Record concentration in Lab Data
Predict what will happen when a sugar cube is added to water. A. Both solvation and the dissociation of the sugar cube occurs B. Dissociation of sugar cube occurs C. The sugar cube things to the bottom and remains unchanged D. Solvation of the sugar cube occurs
A small crystal is added to a solution and it sinks to the bottom of the beaker. What can this tell you about the original solution? A. Saturated because when the crystals are added to the bottom of the beaker the entire solution turned into a solid B. Super saturated because the Crystal sink to the bottom of the beaker C. It is unsaturated because the crystal did not dissolve in the solution D. It is saturated because the crystal sank to the bottom of the beaker
Adding a nonvolatile solute to a liquid willA. elevate both the freezing point and the boiling pointB. depress both the freezing point and the boiling pointC. depress the freezing point and elevate the boiling pointD. elevate the freezing point and depress the boiling point
What are the products of an acid reacting with a base, where the final pH of the solution is 7? a. water b. colloidal particles c. salt d. more than one choice is correct
What is the final concentration of a solution that is made by dissolving 20g of solid NaOH (Molar Mass: 40g) in 800.0 mL of solution? A. 0.63 B. 0.00063M C. 0.025M D. 25M
you can do reverse osmosis or you can increase the PH more CO, can be dissolved Which compound will be the most soluble in water? Clearly describe why in a couple sentences H. H. H H. H-C- C -C -C-0-H H. C H B) A) 1. H. H. H. H. H. H. H. H. H. H. H. 1. H. H-0-C-C-C-0-H D) H-C-C -C- C H C) H. H H H H H centrations (Problem Solving) 1. The maximum level of lead allowed in drinking water is 15 mg/kg. What is this concentration in units of parts per million? it would be 1.5x10 ppm