cmekaowhor cmekaowhor

11-10-2018
Chemistry

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What is the molarity of 70.6 g C2H6O in 2.25 L of solution

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ilzinhootigee ilzinhootigee

12-10-2018

Hey there!

Molar mass C2H6O = 46.0684 g/mol

Number of moles:

n = mass of solute / molar mass

n = 70.6 / 46.0684

n = 1.532 moles

Therefore:

M = number of moles / volume ( L )

M = 1.532 / 2.25

= 0.680 M

Hope that helps!

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