Just follow the steps in this example.
http://www.jiskha.com/science/chemistry/stoichiometry.html
How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution?
Mg + 2HF --> MgF^2 + H^2
1 answer
Mg + 2HF --> MgF^2 + H^2
1 answer
1 answer
1 answer
1 answer
2 answers