In addition to the number of moles of CuSO4 calculated in part (b), what other quantity must be measured in order to calculate the mass percentage of CuSO4 in the impure sample of CuSO4(s)

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?