An oxide of a metal, Q, has the formula QO
4. The oxide reacts with excess H
2 to yield the free metal ad H
2O according to the following balanced reaction.
QO
4 (s) + 4H
2 (g) --> Q (s) + 4H
2O (L)
How many moles of QO
4 are consumed?
What is the molar mass of QO
4?