8. Light is an electromagnetic wave. Which characteristic is common in all electromagnetic waves in a vacuum?
A. Amplitude B. Frequency C. Speed D. Wavelength​

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.

Find the mass in grams of 1.37x1020 particles of h3po4

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?