What is the ph of a solution of 0.400 m kh2po4, potassium dihydrogen phosphate?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

The appropriate concentration for an iodine sanitizer is

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2