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Molarity

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryA 750 mL sample of a 0.02 M solution contains 3.0 g of solute. If i = 1.25 and the given molarity is the actual solute molarity, what is the observed molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16HardChemistryIf the osmotic-pressure method gives a molarity of 0.015 mol L⁻¹ and 400 mL of the solution contains 1.2 g of solute, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryA 125 mL sample of a 0.04 M solution contains 0.9 g of solute. What is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryAn unknown solute forms 750 mL of a 0.02 M solution and the solution contains 2.7 g of the solute. What is its molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryIf 250 mL of a 0.01 M solution contains 0.75 g of solute, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryA \(1\,\mathrm{L}\) solution is prepared from \(6\,\mathrm{g}\) of solute. Its osmotic pressure at \(300\,\mathrm{K}\) is \(1.23\,\mathrm{atm}\). The solute is non-dissociating. What is its molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryIf a 0.01 M non-dissociating solute has an osmotic pressure of 0.246 atm at 300 K, what will be the osmotic pressure of a 0.02 M solution of the same solute at the same temperature?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf 0.01 mol of a substance is present in 100 mL of solution, what is its molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 18EasyChemistryA solution contains 2 g of solute in 500 mL of solution. If the molar mass is 100 g mol⁻¹, what is the molar concentration?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 17EasyChemistryA 0.01 M solution has a volume of 500 mL and contains 0.9 g of solute. What is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryA solute forms 250 mL of a 0.02 M solution. If the mass of solute present is 1.0 g, what is the molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryWhat is the correct sequence for determining molar mass by the osmotic-pressure method?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryA non-dissociated solute forms a 0.04 M solution of volume 250 mL, and the solute mass is 1.2 g. What is the molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf 2 L of a 0.01 M solution contains 3.6 g of solute, what is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf a solution has a concentration of 0.05 M and contains 2 g of solute per 250 mL of solution, what is the molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16MediumChemistryA 1.8 g sample of a non-dissociated solute is used to make 250 mL of solution. At 300 K, the osmotic pressure is 0.738 atm. If R = 0.082 L atm mol⁻¹ K⁻¹, what is the molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18MediumChemistryIn which method is it most directly necessary to express the solution volume in litres?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf π = 0.246 atm, R = 0.082 L atm mol⁻¹ K⁻¹, and T = 300 K, what is the molarity of a non-dissociated solution?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryIf a 0.02 M solution has a volume of 1 L, how many moles of solute are present?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 16EasyChemistryAfter finding molarity in the osmotic-pressure method, how are the moles of solute calculated?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 16Medium