24. According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HC1 by mass and have a density of 1.18 g/mL. (a) What is the molarity of concentrated HCl? Advice: Write out the units entirely to help you negotiate how to cancel them out! For example, translating 36.0% HCl to 36.0 g/100 g is not enough! (b) What volume of it would you need to prepare 0.250 L of 2.00 M HCI?

24. According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HC1 by mass and have a density of 1.18 g/mL. (a) What is the molarity of concentrated HCl? Advice: Write out the units entirely to help you negotiate how to cancel them out! For example, translating 36.0% HCl to 36.0 g/100 g is not enough! (b) What volume of it would you need to prepare 0.250 L of 2.00 M HCI?

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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Part B. Density of an Unknown Liquid From the procedure 6. Obtain a 100 mL graduated cylinder and add about 20 mL of the unknown liquid sample. Record the type of liquid and the volume. Enter the unknown number for your unknown liquid Volume of unknown (mL) From the procedure 7. Weigh a small, clean, and dry, beaker. Record the mass. Mass of beaker (g) From the procedure 8. Pour the sample into the beaker and weigh. Record the mass of the beaker plus the unknown liquid. Mass of beaker + unknown liquid (g) From the procedure 9. You will determine the mass of the sample by subtracting the mass of the beaker from the mass of the sample plus the beaker. 10. Then you will calculate the density as shown in Equation 1 in the lab manual. Part C. Specific Gravity 1 20.9 10.000 34.155
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5. Given the density of a substance of 2 g/cm3. Solve for its specific gravity in water.
Density of object analysis Dlameter (cm) Helght (cm) Mass (g) Volume (cm) Density (g/cm) 1.17 2.39 3.612 Object A Object B 1.19 2.10 3.306 Object C 1.15 1.63 2.367 Object D 1.14 1.72 2.471 Table view List view Density statistics Density (g/cm) Average Standard deviation Coefficient of variation (CV) True density 1.410 Absolute error % error