January 2012 Chemistry Regents #70-71

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Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50 Questions 51-54 Questions 55-57 Questions 58-59 Questions 60-62 Questions 63-65 Questions 66-69  Questions 70-71  Questions 72-74 Questions 75-78  Questions 79-81  Questions 82-85

Question

Base your answers to questions 70 through 71 on the information below.   A scientist makes a solution that contains 44.0 grams of hydrogen chloride gas, HCl(g), in 200. grams of water, H2O(l), at 20.°C. This process is represented by the balanced equation below. 70 Based on Reference Table G. identify, in terms of saturation, the type of solution made by the scientist. [1] HIGHLIGHT TO SEE THE ANSWER unsaturated 71 Explain, in terms of the distribution of particles, why the solution is a homogeneous mixture. [1] HIGHLIGHT TO SEE THE ANSWER The H+ ions and the Cl- ions are distributed uniformly throughout the solution . or There is an even distribution of H+(aq) and Cl-(aq).   on to Questions 72-74

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