Diffculty to separate by fractional precipitation
Consider the following Ksp values for metal sul?des:
MgC2O4 = 8.6 × 10^-5CoC2O4 = 2.7 × 10^-9CuC2O4 = 2.9 × 10^-8PbC2O4 = 2.7 × 10^-11
Which pair would be least diffcult to separate by fractional precipitation?
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Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout).
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Ferrophosphorus (Fe2P) reacts with pyrite (FeS2) producing iron(II) sulfide and a compound that is 27.67% P and 72.13% S by mass and has a molar mass of 444.56g/mol. Write a balanced chemical equation for this reaction.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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