an ancient silver coin is 1.20 cm in diameter and 5.00 mm thick. it is a cylinder and the density of silver is 10.49 grams/cm^3, what is the mads of the coin

What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false