Advertisements
Advertisements
Question
Match the terms given in Column I with expressions given in Column II.
| Column I | Column II |
| (i) Mass percentage | (a) `"Number of moles of the solute component"/"Volume of solution in litres"` |
| (ii) Volume percentage | (b) `"Number of moles of a component"/"Total number of moles of all the components"` |
| (iii) Mole fraction | (c) `"Volume of the solute component in solution"/"Total volume of solution" xx 100` |
| (iv) Molality | (d) `"Mass of the solute component in solution"/"Total mass of the solution" xx 100` |
| (v) Molarity | (e) `"Number of moles of the solute components"/"Mass of solvent in kilograms"` |
Advertisements
Solution
| Column I | Column II |
| (i) Mass percentage | (d) `"Mass of the solute component in solution"/"Total mass of the solution" xx 100` |
| (ii) Volume percentage | (c) `"Volume of the solute component in solution"/"Total volume of solution" xx 100` |
| (iii) Mole fraction | (b) `"Number of moles of a component"/"Total number of moles of all the components"` |
| (iv) Molality | (e) `"Number of moles of the solute components"/"Mass of solvent in kilograms"` |
| (v) Molarity | (a) `"Number of moles of the solute component"/"Volume of solution in litres"` |
APPEARS IN
RELATED QUESTIONS
Why is molality of a solution independent of temperature?
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 solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.
Nalorphene (C19H21NO3), similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of nalorphene generally given is 1.5 mg. Calculate the mass of 1.5 × 10−3 m aqueous solution required for the above dose.
Define molality.
Molarity of liquid HCl will be if the density of the solution is 1.17 gm/cc.
On adding a solute to a solvent having vapour pressure 0.80 atm, vapour pressure reduces to 0.60 atm. Mole fraction of solute is:
What is the normality of a 1 M solution of H3PO4?
Which of the following units is useful in relating concentration of solution with its vapour pressure?
Which of the following concentration unit is independent of temperature?
Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are:
The number of moles of NaCl in 3 litres of 3 M solution is ____________.
What is the mole fraction of solute in 1.00 m aqueous solutions?
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Molarity of a solution changes with temperature.
Reason (R): Molarity is a colligative property.
Select the most appropriate answer from the options given below:
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
w/w (mass percentage)
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
m (Molality)
Match List-I with List-II:
| List-I | List-II |
| A. ppm | I. molL-¹ |
| B. Molarity | II. No units |
| C. Molality | III. Independent of temperature |
| D. Mole fraction | IV. Very dilute solutions |
Choose the correct answer from the options given below:
The concentration of water molecules in pure water at 298 K 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).
