A solid piece of metal weighing 14.8 g is added to 25.0mL of water in a graduated cylinder. The level rises to 26.9mL. Calculate the density of the metal. show your work.

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions