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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।

ChemistryHow many moles of total ionic particles are present in 400 mL of 0.25 mol L−1 calcium chloride solution, assuming complete ionisation?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9HardChemistryWhat is the approximate molality of a 40 percent by mass methanol solution? Molar mass of methanol is 32 g mol−1.Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryWhat is the approximate mole ratio of ethanol to water in a 40 percent by mass ethanol solution? Molar mass of ethanol is 46 g mol−1.Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryA 30 percent by mass nitric acid solution has density 1.18 g mL−1. Molar mass of nitric acid is 63 g mol−1. What is its approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryHow much water should be added to 200 mL of 0.2 mol L−1 solution to make its molarity 0.05 mol L−1?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 7MediumChemistryIn what volume ratio should 1 mol L⁻¹ and 4 mol L⁻¹ solutions of the same solute be mixed to obtain a 2 mol L⁻¹ solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistry50 mL of 5 mol L−1 acid is mixed with 100 mL of 2 mol L−1 acid. Assuming final volume is 150 mL, what is the final molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryA 250 mL solution contains 0.005 g solute. If density of the solution is 1 g mL−1, what is the concentration in ppm?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryWhat is the approximate mole fraction of glucose in a 0.2 molal glucose solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryA 10 percent by mass sodium chloride solution has density 1.07 g mL⁻¹. Molar mass of sodium chloride is 58.5 g mol⁻¹. What is its approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryWhat is the approximate mass percentage of a 1 molal urea solution if molar mass of urea is 60 g mol⁻¹?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryA 2 mol L⁻¹ sodium hydroxide solution has density 1.08 g mL⁻¹. Molar mass of sodium hydroxide is 40 g mol⁻¹. What is its molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 10HardChemistryA 20 percent by mass glucose solution has density 1.2 g mL⁻¹. If molar mass of glucose is 180 g mol⁻¹, what is its molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryA solution contains 0.5 mol solute and 200 g solvent. What is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryWhat mass of anhydrous sodium carbonate is needed to prepare 500 mL of 0.2 M solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryWhat is the approximate mass percent of sodium chloride in a 2 molal sodium chloride solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8MediumChemistryA 1 M glucose solution has density 1.06 g mL−1. What is its approximate molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9MediumChemistryA solution is 5 percent by mass. If molar mass of solute is 50 g mol−1 and the solvent is water, what is the approximate molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryA 500 g solution contains 2 g solute. What is the mass percent?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryA solution has mole fraction of solute 0.2. If moles of solute are 2, what are the moles of solvent?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6Medium