Compound a contains 5.2% by mass of nitrogen as well as c, h and o. combustion of 0.0850 g of compound a gave 0.224 g of co2 and 0.0372 g of h2o. calculate the empirical formula of a?

Which answer lists the fundamental forces in order from strongest to weakest

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

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159