Amole of any atom or molecule has the same number of?

How many miles of water are produced if 5.43 mol pbo2 are consumed

What substance has a mass of 9.5g and volume of 2.1cm^3

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth