When 50cm3 of a saturated solution of sugar (molar mass 342.0g) at 40oC was evaporated to dryness, 34.2g of dry solid was obtained. The solubility of sugar at 40oC is
-
A.
10.0 moles dm-3 -
B.
7.0 moles dm-3 -
C.
3.5 moles dm-3 -
D.
2.0 moles dm-3
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