Richard diluted concentrated NaOH to form a 5.00 × 10-2 M solution. What was the pH of the NaOH solution that Richard made?
A
1.301

B
1.500

C
12.500

D
12.699

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?