001 10.0 points Find the initial concentration of the weak acid
or base in an aqueous solution of HCN with a
pH of 5.19. K = 4.90 x 10-10.
Answer in units of mol/L.

Compare and contrast physical changes with chemical changes.

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.