A $3.0\mathrm{M}$ aqueous urea solution (molar mass $60\mathrm{g}\mathrm{mo}{\mathrm{l}}^{-1}$) has density $1.12\mathrm{g}\mathrm{m}{\mathrm{L}}^{-1}$. Its molality is closest to

More questions on Concentration units and Henry's law

• The Henry's law constants K_H (in kbar) of four gases in water at 298 K are: N2 76.5, O2 34.9, He 145.0, CO2 1.67. At equal partial pressure... NEET level
• The molarity of a solution containing 4.0 g of NaOH (molar mass 40 g mol^-1) in 500 mL of solution is NEET level
• A 18% (w/w) aqueous glucose solution (molar mass 180 g mol^-1) has a molality of JEE Main level
• Air containing 80% nitrogen by mole is in contact with water at a total pressure of 5.0 atm. Take K_H for N2 in water as 8.0x10^4 atm (for p... JEE Main level
• 200 mL of 0.50 M NaCl is mixed with 300 mL of 0.20 M NaCl (volumes additive). The molarity of the final solution is JEE Main level
• The solubility of O2 in water at 298 K is 1.3x10^-3 mol L^-1 atm^-1 (concentration =k_H p). Air contains 21% O2 by volume at 1.0 atm. Find t... JEE Main level