In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the amount of humus in the soil sample.
a
10 gm
b
40 gm
c
50 gm
d
60 gm
e
90 gm
Explanation
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