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Potassium selenate is isomorphous with p...

Potassium selenate is isomorphous with potassium sulphate and contains `50.0%` of `Se`. The atomic weight of `Se` is
a. `142`, b. `71`, c. `47.33`, d. `284`

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To find the atomic weight of selenium (Se) in potassium selenate (K2SeO4), we can follow these steps: ### Step 1: Write the formula for potassium selenate Potassium selenate has the formula K2SeO4. ### Step 2: Determine the molecular weight of K2SeO4 The molecular weight of K2SeO4 can be calculated by adding the atomic weights of its constituent elements: - Potassium (K): Atomic weight = 39 g/mol, and there are 2 K atoms. ...
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