Question #201988

What is the Molality of a solution containing 7.78g of Urea [(NH2)2CO2] in 203g of water? 


1
Expert's answer
2021-06-02T06:31:58-0400

Molarity=moles/litreMolarity= moles/litre

Moles = 7.78/60 =0.1297moles

Molarity= (0.1297× 0.203)/1000

= 2.63×10-3M


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