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The molar mass of the compound PBr 5 is: A. 110.9 amuB. 430.6 amuC. 110.9 grams D. 430.6 grams
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The molar mass of the compound PBr 5 is: A. 110.9 amuB. 430.6 amuC. 110.9 grams D. 430.6 grams

User Hesam Akbari
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1 Answer

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1) Molar mass. In order to find the molar mass of a compound, we have to look for each molar mass of the elements in the compound and multiply by its subscript.

Phosphorus (P): 30.974

Bromide (Br): 79.905

MM PBr5 = 30.974 + (5*79.905) = 430.499.

The answer is 430.6

User Nikkatsa
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