Q. No.Molarity of a solution depends on temperature. The correct reason for this is:
| 1. | Volume depends on temperature and molarity involves volume. |
| 2. | Molarity involves non-volatile solutes while all other terms involve volatile solutes. |
| 3. | Number of moles of solute changes with a change in temperature. |
| 4. | Molarity is used for polar solvents only. |
Subtopic: Concentration Terms & Henry's Law |
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Determine the molarity of the solution when 120 g of urea (molar mass = 60 g mol⁻¹)
is dissolved in 1000 g of water to form a solution of density 1.15 g mL⁻¹.
1. 4.78 M
2. 6.00 M
3. 2.05 M
4. 9.22 M
is dissolved in 1000 g of water to form a solution of density 1.15 g mL⁻¹.
1. 4.78 M
2. 6.00 M
3. 2.05 M
4. 9.22 M
Subtopic: Concentration Terms & Henry's Law |
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Two hydrochloric acid solutions, 750 mL of 0.5 M HCl and 250 mL of 2.0 M HCl, are mixed. The molarity of the resulting solution is:
1. 0.875 M
2. 1.00 M
3. 1.75 M
4. 0.975 M
Subtopic: Concentration Terms & Henry's Law |
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Which of the following is dependent on temperature?
1. Molality
2. Molarity
3. Mole fraction
4. Weight percentage
Subtopic: Concentration Terms & Henry's Law |
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NEET - 2017
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To avoid bends, as well as, the toxic effects of high concentrations of nitrogen, the air in the scuba tank is diluted with:
1. CO2
2. NO
3. He
4. Ne
1. CO2
2. NO
3. He
4. Ne
Subtopic: Concentration Terms & Henry's Law |
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What volume of 8.00 M HCl solution is required to prepare 150 mL of 1.60 M HCl solution?
1. 30.0 mL2. 24.0 mL
3. 18.8 mL
4. 12.0 mL
Subtopic: Concentration Terms & Henry's Law |
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A soft drink contains dissolved CO₂ at a concentration of 0.01 M. If the volume of the soft drink is 300 mL, the mass of CO₂ present in the solution is:
1. 0.132 g
2. 0.481 g
3. 0.312 g
4. 0.190 g
1. 0.132 g
2. 0.481 g
3. 0.312 g
4. 0.190 g
Subtopic: Concentration Terms & Henry's Law |
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4.5 g of a compound A (molar mass = 90 g mol⁻¹) is dissolved in water to prepare 250 mL of solution. The molarity of the solution is expressed as x × 10–1. Find the value of x:
1. Five(5)
2. Four(4)
3. Two(2)
4. One(1)
Subtopic: Concentration Terms & Henry's Law |
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The Henry Law constants of four gases P, Q, R, and S in water are 38.5, 10.42, 1.26, and 2.11 bar at 298 K and 1 atm. Identify the gas that will dissolve maximally in water.
| 1. | P | 2. | Q |
| 3. | R | 4. | S |
Subtopic: Concentration Terms & Henry's Law |
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Subtopic: Concentration Terms & Henry's Law |
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