Find the solubility of cui in 0.53 m hcn solution. the ksp of cui is 1.1×10−12 and the kf for the cu(cn)2− complex ion is 1×1024.

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

Based on the equation and the information in the table, what is the enthalpy of the reaction?

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?