An aqueous solution contains 0. 301 m hydrocyanic acid. How many ml of 0. 219 m sodium hydroxide would have to be added to 150 ml of this solution in order to prepare a buffer with a ph of 9. 940.

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Idon’t know how to solve this question

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist