[单选题]
The initial mass of a mortar containing a solid was recorded ttwi0.6xs-wqs o be 109.34 g. T2 o 6-5jz dodqu1/cbkghe mortar was heated, and the final mass was /zg bou-d jd1 cq25ok6recorded to be 81.92 g. What value should be recorded for the mass lost in grams?
