Respuesta :

akiya23
Since it is still in dm^-3 (which is basically a Litre) 

You just need to convert the g into moles using the formula: 

moles = mass/molar mass 

= 5.6/(39.1+16+1) 

= 5.6/56.1 

= 0.1 moles 

So this makes it 0.1 moles dm^-3

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