June 2015 Chemistry Regents #51-53

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Questions 51-53

 

 

51. Determine the volume of 2.00 M HCl(aq) solution required to completely neutralize 20.0 milliliters of 1.00 M NaOH(aq) solution. [1] 

Answer-->   10.0mL

work 

MaVa=MbVb

2.00M (Va) =1.00M(20.0mL)

52 Determine the mass of KNO3 that dissolves in 100 grams of water at 40.oC to produce saturated solution. [1]

 Answer-->   64g +/-2g

Use Table G

53 State, in terms of molecular polarity, why ethanol is soluble in water. [1]

 Answer-->   Both water and ethanol are polar

 

 

 

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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

Questions 51-53 Questions 54-56 Questions 57-59 Questions 60-61 Questions 62-65 Questions 66-68 Questions 69-72 Questions 73-75  Questions 76-79  Questions 80-82  Questions 83-85

 

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