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When 100 mL each of 2.0 × 10-4 M Ca2+ and 2.0 × 10-2 M F- are mixed, what is the remaining Ca 2+ ion concentration and is precipitation complete? The solubility product constant of CaF 2 is 5.3 × 10-9.
A) 4.3 × 10-7 no
B) 5.6 × 10-4 no
C) 1.7 × 10-8 yes
D) 1.7 × 10-6 yes
E) 5.4 × 10-5 no
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
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