The mass $\%$ of urea solution is $6$. The total weight of the solution is $1000 \ g$. What is its concentration in $mol \ L^{-1}$? (Density of water $= 1.0 \ g \ mL^{-1}$)
$(C = 12 \ u, N = 14 \ u, O = 16 \ u, H = 1 \ u)$
$(C = 12 \ u, N = 14 \ u, O = 16 \ u, H = 1 \ u)$
- A$1.5$
- B$1.064$
- C$1.12$
- D$0.80$
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