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Question- KI has a face-centered cubic unit cell in which the I- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is its density if the ionic radii of K+, I- ions are 169.1 pm and 184.0 pm, respectively?
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Which of the following solutions is a good buffer system? A) A solution that is 0.10 M HF and 0.10 M NaC2H3O2 B) A solution that is 0.10 M NaOH and 0.10 M KOH C) A solution that is 0.10 M HC2H3O2 and 0.10 M NaC2H3O2 D) A solution that is 0.10 M HC..
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