The uranium minerals found in nature should be refined and enhanced in 235U before the uranium can be utilized as a fuel in nuclear reactors. One procedure for enriching uranium begins with the reaction of natural UO2 with HF to form UF4, explain which is then converted into UF6 by reaction with fluorine
UO2(g) + 4HF(g) = UF4(g) + 2H2O(l)
UF4(g) + F2(g) = UF6(g)
Explain how many kilograms of HF are needed to completely react with 6.25 kg of UO2?
Explain how much UF6 can be produced from 850 g of UO2?