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Molecular Mass

What is the mass of 7 moles of strontium?


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Answered 2015-07-14 20:13:01

7 moles of strontium is equal to 613,34 g.

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Answered 2016-02-25 08:18:54

Molar mass of Sr is 87.6gmol-1. mass of 7 moles is 613.2g.

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211 is the mass in grams of 1.15 moles of strontium sulfate.


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This formula is: moles = mass of the compound/molar mass of the componnd


to convert mass into moles you divide by the molar mass. You cannot convert molar mass directly to moles.


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Calculate:mass/molar mass = moles


By dividing the total mass of the number of moles that you are considering by number of moles; the result is the molar mass.


Number of moles = Total mass/Molar mass


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No of moles= given mass/molecular mass = 600/30= 20 moles


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