Calculate weight in grams of 2.5 moles of ethane
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1 mole of ethane weighs =30gm
2.5 mole weighs=30*2.5
=75gm
2.5 mole weighs=30*2.5
=75gm
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Answer:
:
Molecular mass of ethane=2x12+1x6=30
no of moles=given mass/molecular mass
2.5=given mass/30
given mass=2.5x30=75 g
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