Advertisements
Advertisements
प्रश्न
Define Mole fraction.
Advertisements
उत्तर
The mole fraction of a particular component in a solution is the ratio of the number of moles of that component to the total number of moles of all the components present in the solution.
APPEARS IN
संबंधित प्रश्न
Calculate the mass percentage of benzene (C6H6) and carbon tetrachloride (CCl4) if 22 g of benzene is dissolved in 122 g of carbon tetrachloride.
Calculate the molarity of the following solution:
30 g of \[\ce{Co(NO3)2 * 6H2O}\] in 4.3 L of solution.
A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution? If the density of solution is 1.2 g mL−1, then what shall be the molarity of the solution?
A sample of drinking water was found to be severely contaminated with chloroform (CHCl3) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass):
- express this in percent by mass.
- determine the molality of chloroform in the water sample.
If the density of some lake water is 1.25 g mL−1 and contains 92 g of Na+ ions per kg of water, calculate the molality of Na+ ions in the lake.
What is molal depression constant? Does it depend on nature of the solute?
The sum of all mole fraction for a mixture is always equal to ____________.
An X molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of X is ____________.
Mole fraction of the solute in a 1.00 molal aqueous solution is ____________.
The volume of 4 N HCl and 10 N HCl required to make 1 litre of 6 N HCl are ____________.
200 ml of water is added to 500 ml of 0.2 M solution. What is the molarity of this diluted solution?
How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0M HNO3? The concentrated acid is 70% HNO3:
The number of moles of NaCl in 3 litres of 3 M solution is ____________.
4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre of water. The molality of the resultant solution is ______.
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
M (Molarity)
What is the normality of 0.3 m H3Pcl solution?
3.36 M sulphuric acid solution is 29% H2SO4 calculate the density of the solution.
250 mL of 0.5 M NaOH was added to 500 mL of 1 M HCl. The number of unreacted HCl molecules in the solution after complete reaction is ______ × 1021. (Nearest integer) (NA = 6.022 × 1023).
A given solution of H2O2 is 30 volumes. Its concentration in terms of molarity is ______.
Calculate the molarity of the following solution:
30 mL of 0.5 M \[\ce{H2SO4}\] diluted to 500 mL.
