How many moles do 5.62 x 10^23 formula units of sodium hydroxide constitute?

a. 0.934 moles
b. 1.07 moles
c. 3.38 moles
d. 3.38 x 10^47 moles

Which of the following describes a situation where competition between producers exists

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.