50cm 3 of a saturated solution of potassium trioxonitrate (V)at 40°C contains 5.05g of the salt. What is the solubility of potassium trioxonitrate (V) at 40°C? (KNO3 = 101)
-
A.
1.0 mol dm-3 -
B.
1.5 mol dm-3 -
C.
2.0 mol dm-3 -
D.
2.5mol dm-3 -
E.
5.0mol dm-3