What is the function of a salt bridge in a voltaic cell? a. it provides salt for the reaction b. it prevents the reaction from proceeding to quickly c. it allows for the solutions to mix d. it completes the circuit i think d or b?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound