13. The different substances in a mixture a. combine chemically
b. cannot be separated
C. form new molecules
d. keep their properties

What information does a complete ionic equation give that the balanced equation doesn’t show?

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

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