[单选题]
The initial mass of a mortar consmv) -rm.xmes+izem8pf z ,0.(z5hs etnu-z 5q 6al7n92mnb uraining a solid was recorded to be 109.34 g. The mortar was heated, and the final mass w7l2b n n n956um-zqruaas recorded to be 81.92 g. What value should be recorded for the mass lost in grams?