This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
PROPERTIES OFACIDS AND BASES
Lesson 6.1
I. Salts
� A salt is a soluble ionic compound.� Acid + Base à salt + H2O
NaCl CuSO4 K2Cr2O7
II. Acids
� increase [H+] in water� Characteristics:� taste sour
II. Acids
� turn pH or litmus paper red
II. Acids
� react with metals to form H2 gas� Zn + 2 HCl à ZnCl2 + H2
II. Acids
� dissolve carbonates to make CO2
� 2 HCl + CaCO3 à CaCl2 + H2O + CO2
II. Acids
� lower pH (<7)
II. Acids
� H+ + H2O à H3O+
� hydronium ion
II. Acids� Common acids:� hydrochloric (HCl) – human stomach� sulfuric (H2SO4) – acid rain and car batteries� acetic (HC2H3O2) – vinegar