How do I calculate number of moles of K2C2O4 in 20mL of a saturated (300g K2C2O4.H2O per liter) solution....

Answer 1

The 20 ml will contain

G = 20 ml x 300 g/1000 ml of the K2C2O4.

Calculate the molecular mass of K2C2O4 (M).

The number of moles is then G/M