If the paper at 60% relative humidity contains 12kg of water /100kg of dry solids; What is the free moisture content of this material? 0 i i i a) 0.058kg water /kg dry solid b) 4.5kg water /100kg dry solid c) 0.110kg water /kg dry solid If the paper at 60% relative humidity contains 12kg of water /100kg of dry solids; What is the free moisture content of this material? 0 i i i a) 0.058kg water /kg dry solid b) 4.5kg water /100kg dry solid c) 0.110kg water /kg dry solid