When you close the paper, which has a low moisture resistant. Causes of moisture into the beaker so much Result color of silica gel lachueng is changed from blue to clear the most and have the most weight.
When covered with paper, which has a low humidity. More moisture into the beaker. The color of the silica gel has been changed from blue to transparent as possible. And has the most weight
When closing with paper, which has the humidity is very low. The moisture content in the beaker. The color of the silica gel is changing from a clear blue most, and was most.