Problem: If 2.50 grams of an unknown compound contains 6.25 x 1019 molecules, what is its molecular mass? 

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If 2.50 grams of an unknown compound contains 6.25 x 1019 molecules, what is its molecular mass? 

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Our tutors have indicated that to solve this problem you will need to apply the Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.

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