Abeer's law plot for cu2+ was experimentally obtained. the slope of the beer's law plot was 310 l/mol (with a y-intercept = 0.001). a cu2+ solution of unknown concentration had an absorbance of 0.55. what is the molar concentration of cu2+ in the unknown solution?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color