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Yukti Garg Asked a Question
November 17, 2020 4:17 pmpts 30 pts
A basaltic flow at & mid oceanic ridge has 8 w% Mgo and 10 w% FeO What is the Mg# of the rock? Assume molecular weights of Mg0 and Fe0 to be 40 and 72, respectively. I. -36 3.72 2 -59 4
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  • Pavan suryawanshi thankyou
    page number 498 from notes...they ask similar question. try to calculate
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    Yukti Garg
    ok
  • Rahul pandey thankyou
    Answer: (2) Mg# = 59 Mg# = [(wt% of MgO/Mol wt of MgO) / [(wt% of MgO/Mol wt of MgO) + (wt% of FeO/Mol wt of FeO)] × 100 Mg# = [ (8/40) / [(8/40)+(10/72)] ] × 100 Mg# = 0.59 × 1...
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    Yukti Garg
    thank u