# Solutions : Henry Law [closed]

In below solution why the moles are considered half as their is nothing clearly specified in question. I mean it is not given that that mole fraction we get is for litre water.

## closed as off-topic by Mithoron, airhuff, aventurin, Tyberius, Todd MinehardtJun 5 '18 at 23:07

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• They just wrote the multiplication by liters in an unusual way. You are going from molarity to moles, which means multiplying by .5 L or 1/2 L. @user560199 – Tyberius Jun 5 '18 at 21:33