31,3 g sample of anhydrous CaSO4 equal 0,23 moles.
Approx 3.29 moles.
Multiply by 2.2
313
If the floor area is 313 square meters, then the floor area is 313 square meters.
About 194.5mi
8 x 313 = 2504 ties.
1026.9 feet
313 churches
313
313
3.13 m
When We Were Orphans has 313 pages.