Which skeleton equation represents a neutralization reaction? mg + o2 mgo alcl3 al + cl2 li + hno3 h2 + lino3 hbr + lioh libr + h2o ch4 + o2 co2 + h2o

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.