Question

2 Mg + Oâ‚‚ --> 2 MgO

How many moles of MgO can be produced from 3.6 moles of Oâ‚‚?

Answer 1

The equation is balanced (always check first).

So start with 3.6 moles O2. Notice how the equation tells you that 1 mole O2 produces 2 moles of MgO.so multiply 3.6 moles * 2 to get moles MgO.