James found that 10.0 mL of a 0.50 M NaOH solution were required to completely titrate 20.0 mL of an unknown concentration H2SO4 solution. What is the concentration of the H2SO4 solution?
A) 0.125 M
B) 0.250 M
C) 0.500 M
D) 0.750 M

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