Answer to Question #141719 in General Chemistry for Ali

Question #141719

What thickness (in cm) is the silicon block (density = 2.13 g/cm3) that is 2.65 cm

wide and long necessary to react with 88.3 g of Cr2O3 by the reaction:

Si (s) + Cr2O3 (s) → SiO2 (s) + Cr (l)

Expert's answer

"7.4cm"

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