9. What is the pH of a 0.25 molar HBz (benzoic acid) solution. Ka HBz=6.5 x10-5​

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

How does a noncompetitive inhibitor reduce an enzyme’s activity?