How many mL of a 0.229 M aqueous solution of sodium sulfate, Na2SO4, must be taken to obtain 5.99 grams of the salt?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?