. How many grams of H2SO4 (98.1 g·mol-1) are required to react with 4.0 g NaOH (40.0 g·mol-1) in this neutralization reaction?H2SO4 + 2NaOH  Na2SO4 + 2H2O a. 2.4 g

Question

b. 4.9 g
c. 9.8 g
d. 20 g

Answer 1

Here is a worked example.
http://www.jiskha.com/science/chemistry/stoichiometry.html