You are given ammonia whose pH is 11 and vinegar whose pH is 2.6 and told to bring their pHs to 7. Essentially you have been told to these chemicals. A: indicate
B: neutralize
C: acidify
D: causticize
E: buffer

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.