Advertisements
Advertisements
प्रश्न
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
x (mole fraction)
उत्तर
Mole fraction of a component (x) = `"No. of moles the component"/"Total number of moles of all the component"`
APPEARS IN
संबंधित प्रश्न
Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride.
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:
Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are:
What is the mole fraction of solute in 1.00 m aqueous solutions?
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
V/V (volume percentage)
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
ppm. (parts per million)
The number of electrons involved in the reduction of one nitrate ion to hydrazine is
A solution has been prepared by dissolving 5 g of urea in 95 g of water. What is the mass percentage of urea in 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).
4 ml of pure A (d = 2.45 gm/ml) was added to 46 ml of B (d = `25.1/23` gm/ml), the molarity of a solution of A in B will be ______, if the density of the final solution is 1.8 gm/ml.
Given: Molar mass of A = 98, Molar mass of B = 46