1.A 2.5hr long uniform rainfall resulted in arunoff hydrograph that has the shape of an equilateral triangle.The base of the triangle is 64hr; the peak flow is 535cfs; thedrainage area is 5.7mi^2. Determine the corresponding unithydrograph if the base flow for the channel is 10cfs.
2.How much calcium chloride will react with100mg of soda ash?