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Given the cation exchange capacity of a soil sample, its clay concentration and the CEC of the clay be able to estimate the draction of CEC due to organic matter in the sample
CEC of soil sample = 25 Cmol(-) kg-1
Clay concentration= 25% = 250 g kg-1
CEC of clay= 80 Cmol(-) kg-1
Would your calculation of the atomic mass of the metal be too high or too low if your hot metal sample cooled off, unbeknownst to you, while being transferred to the calorimeter?
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