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In reaction `CaF_(2)+H_(2)SO_(4)rarrCaSO_(4)+2HF` 6kg of `CaF_(2)` are treated with an excess of `H_(2)SO_(4)` and yield 2.0kg of HF. Percentage yield of reaction is:A. 0.5B. 0.39C. 0.65D. 0.79 |
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Answer» `n_(HF)=0.1` `n_(CaF_(2))"used"=(0.1)/(2)` `w_(CaF_(2))"used"=3.9kg` `% "yiled"=(3.9)/(6)xx100=65%` |
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