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20-09-2022
Chemistry

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Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide.

Al2O3(s)+6NaOH(aq)+12HF(g)⟶2Na3AlF6(s)+9H2O(g)

15.7 grams of each Al2O3 is combined with 64.8 grams each of NaOH and HF and reacted to completion. What is the total mass of the excess reactants left over after the reaction is complete? (Hint: Which reactants are in excess?)

Cryolite Na3AlF6s an ore used in the production of aluminum can be synthesized using aluminum oxide Al2O3s6NaOHaq12HFg2Na3AlF6s9H2Og 157 grams of each Al2O3 is class=

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