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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।

ChemistryIn a binary solution, mole fraction of component A is 0.75. What is the mole fraction of component B?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 4EasyChemistryA solution has mole fraction of solute 0.18. If total moles are 5, what are the moles of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryA solution has 5.85 percent sodium chloride by mass. If density is taken as 1.0 g mL−1, what is its approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryA solution has 4 percent mass by volume solute. What mass of solute is present in 250 mL solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryThe mole fraction of solute is 0.3. What is the mole percent of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryWhat is the volume of solute in 2 L of a 15% volume-by-volume solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryWhat is the mass of solute in 1.5 L of a 4% mass-by-volume solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryWhat is the mass of solute in 250 mL of a 0.8 M solution if molar mass is 98 g mol−1?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryWhat is the mass of solute in 300 mL of a 1.5 M solution if molar mass is 40 g mol−1?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5MediumChemistryIf the mass ratio of solute to solvent is 2:3, what is the mass percentage of solute?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 5EasyChemistryIf the mass ratio of solute to solvent is 1:4, what is the mass percentage of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryIf the mass percentage of solute is 12%, what is the mass ratio of solute to solvent?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 5EasyChemistryA solution has density 1.25 g mL−1. A 200 g solution contains 25 g solute. What is the approximate mass-volume percentage?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8HardChemistryA solution has 10 g solute and total mass 200 g. If density is 1 g mL−1, what is the mass-volume percentage?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 7MediumChemistryIn a 2 m urea solution, mass of water is 250 g. Molar mass of urea is 60 g mol−1. What is the mass of urea?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryIn a 1 m glucose solution, mass of water is 500 g. Molar mass of glucose is 180 g mol−1. What is the mass of glucose?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistry27 g aluminium chloride is dissolved in 2 L solution. If its molar mass is 133.5 g mol−1, what is the approximate molarity?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistry10 g solute is dissolved in 90 g water. If molar mass is 50 g mol−1, what is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryA student uses mass of solution instead of mass of solvent in the denominator while calculating molality. What will generally happen?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6MediumChemistryA water sample contains 12 mg nitrate in 2 L water. What is the approximate concentration in ppm?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 6Medium