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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।

ChemistryWhat is the approximate mass percent of solute in a 2 molal aqueous sodium hydroxide solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryWhat is the approximate mole fraction of solute in a 1 molal aqueous solution where the solvent is water?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryA 2 M sodium chloride solution has density 1.08 g mL−1. What is its approximate molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8HardChemistryWhat mass of potassium chloride is required to prepare 500 mL of 0.1 M potassium chloride solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistry250 mL of a 0.4 M solution is diluted to a total volume of 1 L. What is the final molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistry50 mL of a 2 M solution is diluted to a final volume of 500 mL. What is the new molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryWhat is the mole fraction of ethanol in a solution made from 46 g ethanol and 90 g water?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryA 10% by mass sodium hydroxide solution has density 1.11 g mL−1. What is its approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7HardChemistry6 g of urea is dissolved in water and the final volume is made 500 mL. What is the molarity of the solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryA 200 g solution contains 10 g solute. What is the mass percentage of the solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryIf 9 g of glucose is dissolved to make half a litre of solution and its molar mass is 180 g mol⁻¹, what is the molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2MediumChemistryHow many moles of solute are present in 100 mL of a 3 M solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2EasyChemistryWhich quantity appears in the denominator in both molarity and mass-volume percentage?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryWhat is commonly important in both mass percentage and molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryWhich option has the highest mole fraction of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryWhich option has the lowest molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2MediumChemistryWhich solution will have the highest molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2EasyChemistryWhich option gives the wrong pair?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryWhich option correctly identifies the unitless concentration term?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryWhich option correctly gives the main difference between molarity and molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3Easy