a mass of 2.50g of hydrated copper (2) sulfate is placed in a crucible and heated. On heating, 1,59g of white anhydrous copper(2) sulfate is left…

a mass of 2.50g of hydrated copper (2) sulfate is placed in a crucible and heated. On heating, 1,59g of white anhydrous copper(2) sulfate is left behind. Determine the ratio of water to copper(2) sulfate