Calculate the percent dissociation of each of the following solutions. Answer with the correct number of significant figures. (a) 0.122 M propanoic acid (HC3H5O2, Ka = 1.3 10-5)
(b) a mixture containing 0.122 M HC3H5O2 and 0.122 M NaC3H5O2
(c) Compare the percent dissociation of the acids in the above solutions and explain the large difference.

Collected over water at 30.0 ∘c at a total pressure of 736 mmhg . part a what is the partial pressure of the hydrogen gas collected in this way? p p = nothing mmhg request answer part b if the total volume of gas collected is 720 ml , what mass of hydrogen gas is collected? m m = nothing g

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->