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28. How many grams of NaOH must be added to 0.30 L of water to make a 2.0% (w/v) solution? A) 60. g B) 6.7 g C) 670 g D) 6.0 g E) 0.60 g

28. How many grams of NaOH must be added to 0.30 L of water to make a 2.0% (w/v) solution? A) 60. g B) 6.7 g C) 670 g D) 6.0 g E) 0.60 g

Chemistry
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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(W/v) NaCI D) 5.72% (w/v) NaCI 24. An aqueous solution with a low pH is necessary for a certain industrial process. Which of the following solutions would have the lowest pH? A) 1.0 M HCI B) 0.15 M NaOH C) 2.0 M NaOH D) 0.5 M HCI lognot 25. In the acid–base reaction: F(aq) + HN03(aq) 2 HF(aq) + NO3 (aq), which species is the conjugate base? A) HF. B) NO3- C) HNO3 D) F 26. What is the molarity of a 11.5% (w/v) glucose (C6H12O6, molar mass 180.16 g/mol) solution? A) 0.638 M B) 1.76 M C) 0.0638 M D) 1.15 M 27. What is the molarity of a solution made by dissolving 36.29 g of NaCl in 2.30 L of solution? A) 0.0634 M NaCl B) 0.270 M NaCl C) 2.70 M NaCl D) 15.78 M NaCl 28. How many grams of NaOH must be added to 0.30 L of water to make a 2.0% (w/v) solution? A) 60. g B) 6.7 g C) 670 g D) 6.0 g E) 0.60 g HASOand KOH rea bomol aoituloe ato noi oenel ebinoldb onts.0.10MHelom VERSION 1
Transcribed Image Text:(W/v) NaCI D) 5.72% (w/v) NaCI 24. An aqueous solution with a low pH is necessary for a certain industrial process. Which of the following solutions would have the lowest pH? A) 1.0 M HCI B) 0.15 M NaOH C) 2.0 M NaOH D) 0.5 M HCI lognot 25. In the acid–base reaction: F(aq) + HN03(aq) 2 HF(aq) + NO3 (aq), which species is the conjugate base? A) HF. B) NO3- C) HNO3 D) F 26. What is the molarity of a 11.5% (w/v) glucose (C6H12O6, molar mass 180.16 g/mol) solution? A) 0.638 M B) 1.76 M C) 0.0638 M D) 1.15 M 27. What is the molarity of a solution made by dissolving 36.29 g of NaCl in 2.30 L of solution? A) 0.0634 M NaCl B) 0.270 M NaCl C) 2.70 M NaCl D) 15.78 M NaCl 28. How many grams of NaOH must be added to 0.30 L of water to make a 2.0% (w/v) solution? A) 60. g B) 6.7 g C) 670 g D) 6.0 g E) 0.60 g HASOand KOH rea bomol aoituloe ato noi oenel ebinoldb onts.0.10MHelom VERSION 1
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