# A sucrose solution has rho=1.85*g*mL^-1, and a concentration of "1.8% w/w". What is its concentration?

1.8% $\text{w/w}$ is not a very concentrated solution. Would you recheck the question? ${\rho}_{\text{solution}}$ would be over $1 \cdot g \cdot m {L}^{-} 1$, but would not approach $2 \cdot g \cdot m {L}^{-} 1$.