Question

120 g of urea dissoled in 5 litre . Calculate active mass of urea

Answer 1

molar mass of urea = 60 gm / mol

given mass = 120 gm

water = 5 litres = 5000 ml

so molarity = (120 x 1000) / (60 x 5000)

=120000 / 300000

=0.4 moles per litre

hope you like my answer

please make me as brainliest.