[单选题]
The initial mass of a mortar containing a solid was recorded to be 109.o1, 2d1c e;xyznw x 4fcxnu19a34 g. T x;enf8d0+1q .vaosd- ux)nl whe mortar was heated, and the final mass was recorded to be 81.92 g. +8xvnufx -)w;.l1ddn0 s oqae What value should be recorded for the mass lost in grams?
