Pieces of zinc react with copper sulfate solution. Zinc sulfate solution is colourless.
Zn(s) + CuSO.(aq) → ZnSO.(aq) + Cu(s)
In another experiment, 0.043 mol of copper sulfate, CuSO4, is used.
Calculate, to one decimal place, the minimum mass of zinc that must be added to react with all the copper
sulfate.
(relative atomic mass: Zn = 65)
(2)

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Describe the hybridization of each carbon and nitrogen atom in each of the following structures