[urgent please help thank you!] Calculate the acid dissociation constant of a weak monoprotic acid if a 0.5M solution of this acid gives a solution with pH equal to 3? Write the chemical equation. Show all your working.

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

Which three statements represent the benefits of performing experiments using computer simulations?