2011
Biology
67ca00ce0c643c71d77dee1f
In an experiment to determine the percentage of humus and water in a soil sample, the following results were obtained. Weight of the evaporating basin alone = 80.5g Weight of basin and soil = 101.5g Weight after drying the soil in the oven = 99.0g Weight of basin and roasted soil = 95.5h The percentage of humus in the soil sample is
A.
17.60%
B.
26.70%
C.
16.20%
D.
16.70%
Correct Answer: 16.70%
Explanation
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