Edit View History Window Help 423 Bowie State U r Four Three Major Classes of Ch

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Edit View History Window Help 423 Bowie State U r Four Three Major Classes of Chemic.. Help Save& Exit Subm Ch. Ex. 76- Acid-Base Reaction Enter your answer in the provided box. Report problem One of the first steps in the enrichment of uranium for use in nuclear power plants involves a Guided Solution How many liters of 232 M HF will react with 5.81 kg of UO, Would you like to try anotber version of this question? By doing s, you will start from scratch and lose al ports sociated with this qaestion Try another

Explanation / Answer

Balanced chemical equation is:
UO2 + 4 HF ---> UF4 + 2 H2O


Molar mass of UO2,
MM = 1*MM(U) + 2*MM(O)
= 1*238.0 + 2*16.0
= 270 g/mol


mass(UO2)= 5.81 Kg = 581000 g

use:
number of mol of UO2,
n = mass of UO2/molar mass of UO2
=(581000 g)/(270 g/mol)
= 2.152*10^3 mol

According to balanced equation
mol of HF reacted = (4/1)* moles of UO2
= (4/1)*2.152*10^3
= 8.607*10^3 mol

This is number of moles of HF

use:
M = number of mol / volume in L
2.32 = 8.607*10^3/ volume in L
volume = 3710 L
Answer: 3710 L

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