Answered: 16.) 0.300 moles of sodium nitrite are…

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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16.) 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL are needed?
A) 0.667 mL
B) 1500 mL
C) 1.5 mL
D) 667 mL
E) 135 mL

17.) How many grams of KBr are required to make 350. mL of a 0.115 M KBr solution?
A) 0.338 g
B) 3.04 g
C) 4.79 g
D) 40.3 g

18.) If 40.0 mL of 0.500 M HCl are diluted to 95.0 mL, what will the HCl concentration of the resulting solution be?
A) 1.19 M
B) 0.211 M
C) 7600 M
D) 4.75 M

19.) An Arrhenius acid
A) donates an electron pair.
B) is a H+ donor.
C) is a H+ acceptor.
D) produces OH- in aqueous solutions.
E) produces H+ in aqueous solutions

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