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Is there more to this question? You're asking for numbers for two different ideas without sufficient information. A mole [mol] is the molecular wgt in grams of a given substance which you haven't specified unless I misunderstand your question.
Learn to ask questions with scrupulous accuracy. Often then, the answer will crystallize for you from that alone---ie; a properly framed question.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoOctane or C8H18, has a molar mass of 114.23 grams per mole. 5.90 moles of the substance has a mass of 674 grams.
Wiki User
∙ 14y agoThe molar weight of C8H18 is 114 g/mol. So you can find the mass by multiplying molar weight by the number of moles. 5,90x114=672,6 grams.
Wiki User
∙ 13y agomw (molecular weight) of C =12
mw of H = 1
12(8) +12(1)=108 g
108g = 1 mol
so 5.9 moles = 108 (5.9)= 637.2 g
5.9moles of C8H18=637.2 g
Wiki User
∙ 10y agoC: 8x12=96
H: 1x18=18
96+18=114
118x5.9= 673g
Wiki User
∙ 8y agoThe mass of 5,9 moles of octane is 673,957 g.
Wiki User
∙ 15y agoIt is 674g.
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