Answers For Concentration Packet #16 Through #21

Below are the anwers to the problems not done as examples in class from the Concentration / Molarity Packet. If you have questions on any of the problems, make sure to see me for help.

16.
b) 0.25 mol BaCl2 INXS // [BaCl2]=0.046 M
c) 1.26 mol NaCl (1.3 technically due to Sig. Figs) // [NaCl]=0.24 M

17.
b) 1.94 mol Al(NO3)3 INXS // [Al(NO3)3]=0.381 M
c) 5.91 mol KNO3 INXS // [KNO3]=1.16 M

19. [HNO3]=0.00141 M

21. [H2O2]=0.491 M

Answers For Concentration Packet Through #14

Below are the answers to the questions not done as examples in class from the Concentration / Molarity Packet. If you have questions on any of the problems, make sure to see me for help.

#2.--0.116 M KBr
#4.--1.00 mol NaOH
#6.--1.39 L
#8.--1.54 mol/L
#10.--Volume of 6.00 M NaOH needed is 0.583 L (or 583 mL). To prepare the 2.00 liters of 1.75 M NaOH solution, to the 0.583 liters of 6.00 M NaOH, 1.417 liters of water must be added to make a total volume of 2.00 liters.
#11.--1.38 M sucrose solution
#14.--3.70 M

Gas Laws Test Study Reminder / Short Review

Below are four short review problems and the solutions to the problems. The review problems are optional. All material on all worksheets is fair game for the exam. The key for the Ideal Gas Law Worksheet can be found the Events Calendar of the class web-site. All calculator skills are fair game for the exam. The exam will consist of 22 multiple choice questions. Come and see me before the exam is you have any questions.