If the solubility product of CuS is 600 × 10-16 calculate the maximum molarity of CuS aqueous solution.
If the density of some lake water is 1.25 g mL-1 and contains 92g f Na+ ions per kg of water, calculate the molality of Na+ ions in the lake.
Amongst the following compounds, identify which are insoluble, partially soluble and highly soluble in water (i) phenol (ii) toluene (iii) formic acid (iv) ethylene glycol (v) chloroform (vi) Pentanol
Based on solute-solvent interactions, arrange the following in order of increasing solubility in n-octanc and explain.Cyclohexane, KCl, CH3OH, CH3CN.
Suggest the most important type of intermolecular attractive interaction in the following pairs: (i) n-hexane and n-octane (ii) l2 and CCl4. (iii) NaClO4 and water (iv) methanol and acetone (v) acetonitrile (CH3CN) and acetone (C3H6O)
At 300 K, 36g of glucose present in a liter of its solution has an osmotic pressure of 4.08 bar. If the osmotic pressure of the solution is 1.52 bars at the same temperature, what would be its concentration?
Two elements A and B form compounds having formula AB2 and AB4. When dissolved in 20g of benzene (C3H6). 1 g of AB2 lowers the freezing point by 2.3 K whereas 1.0 g of AB4 lowers it by 1.3 K The molar Read More …
A 5% solution (b7y mass) of cane sugar in water has freezing point of 271 K. Calculate the4 freezing point of 5% glucose in water if freezing point of pure water is 273.15K.
A solution containing 30g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18g of water is then added to the solution and the new of vapour (i) molar mass of Read More …
Calculate the mass of a non-volatile solute (molar mass 40 g mol-1) which should be dissolved in 114 g octane ot reduce its vapour pressure to 80%
The vapour pressure of water is 12.3 kPa at 300 K. Calculate vapour pressure of 1 molal solution of a non-volatile solute in it