26. a melt in a binary system mgo- sio2 contains 89.92 wt% si02. if all the mg is consumed to form enstatite (mgsi03), how many moles of this mineral will be cr

26. A melt in a binary system MgO- SiO2 contains 89.92 wt% Si02. If all the Mg is consumed to form Enstatite (MgSi03), how many moles of this mineral will be crystallized from 100 gm of the melt? (Mol wt. of MgO=40.3; Si02=60.1) (upto 2 decimal places)