20 ml of a 0.1 mole. L-1 of copper II sulfate solution, some granulated Zinc a. What is the minimum amount of Zinc that should be used to decolorize the solution?
b. Calculate the concentration of the chemical species that are present in the resulting colorless solution.

Compare and contrast the bohr model and the electron cloud models of the atom.

Air can be considered a mixture. which statement does not explain why?

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.