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Molality

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

ChemistryIn a 25% mass-by-mass glucose solution, solvent mass is 100 g. Molar mass of glucose is 180 g mol−1. What is the approximate molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8HardChemistryWhat mass of glucose is required for 1 kg water in a 0.5 molal solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryIn a 2 molal solution, the mass of solvent is 250 g. How many moles of solute are present?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryTo prepare a 0.4 molal glucose solution, 0.2 mol glucose should be dissolved in how many grams of water?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4MediumChemistry11.7 g sodium chloride is dissolved in 400 g water. What is the molality of the solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryHow many kilograms of water are needed to prepare a 0.2 mol kg⁻¹ solution using 36 g glucose?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4MediumChemistry58.5 g sodium chloride is dissolved in 2 kg water. What is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryA solution has molality 3 mol kg⁻¹ and contains 500 g of water as solvent. How many moles of solute are present?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryWhat is the approximate mole fraction of water in a 2 molal aqueous sucrose solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryA 5 molal glucose solution has density 1.2 g mL−1. What is its approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8HardChemistryWhat 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 8HardChemistryWhich option has the lowest molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2MediumChemistryWhich option gives the wrong pair?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryIn a 2 m solution, the mass of solvent is 250 g. How many moles of solute are present?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryIf 0.8 mole solute is dissolved in 400 g solvent, what is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryWhich solution will have the lowest molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryWhich option contains the wrong pair?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 2EasyChemistryIf mass does not change with temperature, which term remains more reliable?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4Easy

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