Problem: How many moles of Kr are contained in 398 mg of Kr?

FREE Expert Solution

We are asked to determine how many moles are contained in 398 mg of Krypton Kr.


To find how many moles are contained in 398 mg Kr, recall the formula for Molar Mass

Molar mass = mass elementmole element

 Where the Molar mass Krypton = 83.8 grams/mole

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Problem Details

How many moles of Kr are contained in 398 mg of Kr?