Recent content by lananh

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    What Is the Maximum Concentration of Iodide Ions for Selective Precipitation?

    thanks, but I already figured that out I failed to realize it said MAXIMUM so [i] would be ksp for pbi [I] = 8.6e-2 but now I am having problems with b and c
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    What Is the Maximum Concentration of Iodide Ions for Selective Precipitation?

    Homework Statement My molarity [I] is wrong which keeps me from ding the rest of this problem...any help would be greatly appreciated. A researcher has a 450.0 mL solution that is 0.421 M in Hg2(NO3)2 and 0.0191 M in Pb(NO3)2. She plans to add solid potassium iodide to separate the...
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    How Does Rainfall Affect the pH of Unbuffered and Buffered Lakes?

    Homework Statement Im having issues with two parts of this problem, not sure what I'm doing wrong... A lake with a surface area of 12.2 acres (1 acre = 4.840 103 yd2) receives 1.67 in. of rain of pH 4.82. (Assume that the acidity of the rain is due to a strong, monoprotic acid.) How many...