Asample of hydrated sodium thiosulfate has a mass of 6.584 g. after it is heated, it has a mass of 4.194 g. what is the percentage by mass of water in the hydrate?

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