How to find moles of a compound from mole ratio?
For example in a problem it is given
(NH4)6MO7O24.H2O and Fe(No3)3.9H2O are mixed in moles 4.58mmol/L and 0.156mol/L respectively to make a 10ml of solution. They have that the final solution contains Fe:MO in the molar ratio 1:0.2.
How they converted the moles of total compound to mole ratio of individual?
How mole ratio was written here and how it is meant here?