January 2015 Chemistry Regents #64-65

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Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Question 51-53 Questions 54-55
 Questions 56-58 Questions 59-61 Questions 62-63 Questions 64-65 Questions 66-68 Questions 69-72  Questions 73-75  Questions 76-78  Questions 79-81 Questions 82-85

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Questions

 

  Base your answers to questions 64 through 65 on the information below.

 The pH of various aqueous solutions are shown in the table below.

64 Complete the table in your answer booklet by writing the color of thymol blue in the NaCl(aq) and in the NaOH(aq) solutions. [1]

Answer==>NaCl...Yellow     NaOH...Blue

 65 State how many times greater the hydronium ion concentration in the HCl(aq) is than the hydronium ion concentration in the HC2H3O2(aq). [1]

 
Answer==> 10 times

 

 on to Questions 66-68

 

 
 

Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Question 51-53 Questions 54-55
 Questions 56-58 Questions 59-61 Questions 62-63 Questions 64-65 Questions 66-68 Questions 69-72  Questions 73-75  Questions 76-78  Questions 79-81 Questions 82-85

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