Concept explainers
Interpretation:
Percent yield of Zr to be determined
Concept introduction:
Zirconium is produced and purified by using Van Arkel process.
In first step impure Zr is heated with Iodine to form ZrI4. In second step ZrI4 decomposes to pure Zr.
Answer to Problem 94A
Theoretical yield of Zr is 6.85 g
Percent yield is 72.99%
Explanation of Solution
Step 1: write balance chemical equation
Step 2: convert mass of reactant to moles
Step 3: Convert moles of reactant to moles of product using mole ratio
1 mole of ZrI4 produce = 1 moles of Zr
0.075 moles of ZrI4 produce = 0.075 moles of Zr
Step 4: Convert moles of product to mass (theoretical yield)
Actual yield = 5 g (given)
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