Henry's law constant for CO in water at 298K is 1.67 x 10 Pa. Calculate the mass of CO dissolved in 500 mL of soda water when packed under 2.5 atm CO pressure at 298K. (1 atm = 1.013 x 10 Pa, molar mass of CO = 44 g/mol)
1.85 g
0.83 g
3.70 g
0.42 g
Related Questions
Which of these is the correct formula for calculating molality?
Moles of solute / Liters of solution
Moles of solute / Kilograms of solvent
Grams of solute / Liters of solution
Grams of solute / Kilograms of solvent
A solution is prepared by dissolving 0.25 moles of glucose in 500g of water. What is the molality of the glucose solution?
0.25 molal
0.5 molal
1 molal
2 molal
A binary liquid mixture of components A and B exhibits an azeotrope at a specific composition. Which of the following statements is ALWAYS true about this azeotropic mixture?
The composition of the vapor phase is identical to the composition of the liquid phase.
The boiling point of the azeotrope is the average of the boiling points of pure A and B.
The azeotrope can be separated into pure A and B by fractional distillation.
The azeotrope always shows a positive deviation from Raoult's Law.
What weight of is needed to convertΒ Β into
12.41 g
6.20 g
24.82 g
3.10 g
A mixture of two volatile liquids A and B shows a negative deviation from Raoult's law. Which of the following statements is INCORRECT regarding this mixture?
The enthalpy of mixing is negative.
The volume of mixing is negative.
The boiling point of the mixture is lower than that predicted by Raoult's law.
The intermolecular forces between A and B are stronger than the A-A and B-B interactions.
A solution is prepared by dissolving 10 g of sucrose () in 200 g of water. What is the mole fraction of sucrose?
0.0026
0.0292
0.0500
0.997
In the reaction, . The eq.wt. of is equal to its :
mol. wt.
None of these
Crystallization is a purification technique based on the principle of:
Difference in solubility of the compound and impurities at different temperatures
Difference in melting points of the compound and impurities
Difference in boiling points of the compound and impurities
Difference in densities of the compound and impurities
How many g of are needed to prepare 3.75 litre of 0.850 solution if is reduced as,
101 g
202g
50.5 g
303.0 g
When one mole of reacts with , the volume of chlorine liberated at will be:
11.2 litre
22.4 litre
44.8 litre
56.0 litre