Snehsis panda Asked a Question
December 12, 2021 12:45 pmpts 20 pts
The mole percentage of Si02, Al203 and K20 in a granitic rock are 84.21, 7.89 and 7.89 respectively. The molar proportion (in %) of K-feldspar in the rock IS... ** ... ?
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  • Sushmita maurya
    Dear Amy... Here, we subtract 6 moles of SiO2 (6×7.89%=47.34%), because this quartz amount is use for formation of potash feldspar (K-feldspar), so we need to subtract this amount ...
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  • Amy
    sir why do we subtract 6moles of 7.89 mole % from the given sio2 mole %?
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  • Sushmita maurya thankyou
    Answer: 29.97%, kindly find solution below.
    • cropped1675834240340205670.jpg
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