N2 + 3 H2 → 2 NH3
If 3.45 moles of nitrogen gas (N2) are added to 4.85 moles of hydrogen gas (H2), then:
a) How many moles of ammonia (NH3) can form? 3.23 moles
b) What is the limiting reactant? H2
c) What is the excess reactant, and how many moles will be left?

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