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Concentration Metrics

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

ChemistryWhy can molarity be affected by a change in temperature?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 11EasyChemistryMolality of a solution is based on what?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 10EasyChemistryIf the mole fraction of the solute is 0.1, what is the mole fraction of the solvent in a binary solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryIf the mole fraction of component A is 0.3, what is the mole fraction of component B in a binary solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryIn an ideal binary solution, what is the value of XA + XB?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryWhen a non-volatile solute is added to a pure solvent, what happens to the mole fraction of solvent?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6EasyChemistryWhat is the mole fraction of solvent in a pure solvent?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6EasyChemistryA 1.5 mol L−1 solution has density 1.10 g mL−1 and molar mass of solute is 100 g mol−1. What is the approximate mass percentage of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9HardChemistryIn what volume ratio should 0.5 mol L−1 and 1.5 mol L−1 solutions of the same solute be mixed to obtain 1.0 mol L−1 solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryFrom 1 L of 0.2 mol L−1 solution, 100 mL is removed and replaced by the same volume of water. What is the new molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9HardChemistryIn 250 mL of 0.05 mol L−1 solution, mass of solute is 1.25 g. What is the molar mass of the solute?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 7MediumChemistryWhat is the molarity of a 2 percent mass by volume solution if molar mass of solute is 40 g mol−1?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6EasyChemistryHow many moles of sodium chloride are present in 250 mL of 12 percent mass by volume sodium chloride solution? Molar mass is 58.5 g mol−1.Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistry100 mL of 0.5 mol L−1 solution is diluted to 500 mL. How many moles of solute are present in 50 mL of the final solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryThe mass fraction of solute in a solution is 0.12. What is the mass percentage of the same solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryA solution contains 5 g solute and 95 g solvent. What are the mass percent and mass fraction of solute respectively?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryA 0.5 molal solution contains 0.25 mol solute. What is the mass of solvent in grams?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistry20 mL is taken out from 100 mL of 0.5 mol L−1 solution and diluted again to 100 mL with water. What is the new molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistry200 mL of 0.1 mol L−1 solution and 300 mL of 0.3 mol L−1 solution of the same solute are mixed. What is the final molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryAn aqueous solution contains 0.036 g glucose in 1 L solution. What is the approximate glucose concentration in ppm?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5Easy