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Class 11 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf 2 g potassium chloride is dissolved to make 100 mL solution, what is the mass by volume percentage?Class 11Chapter 01: SolutionsLevel 2Easy Chemistry40 mL methanol is used to make 250 mL solution. What is the volume percentage of methanol?Class 11Chapter 01: SolutionsLevel 3Easy ChemistryIf 20 mL ethanol and 80 mL water are mixed to form a solution, what volume percentage is assumed?Class 11Chapter 01: SolutionsLevel 3Easy ChemistryA solution contains 18 g urea dissolved in 200 g water. What is the approximate mass percentage of urea?Class 11Chapter 01: SolutionsLevel 3Easy ChemistryIf 25 g glucose is dissolved in 225 g water, what is the mass percentage of the solution?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryThe mole fraction of solute in a solution is 0.3. What is the mole fraction of solvent if there are only two components?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryA solution has 15 percent solute by mass. What does this correctly mean?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryWhich is the correct definition of molality?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryA solution contains 0.2 mol solute and 0.8 mol solvent. What is the mole fraction of solute?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryIf cooling a solution decreases its volume while moles of solute remain constant, what happens to molarity?Class 11Chapter 01: SolutionsLevel 3Easy ChemistryWhich is the correct definition of molarity?Class 11Chapter 01: SolutionsLevel 2Easy ChemistryWhat is the approximate mole fraction of urea in a 0.5 molal aqueous urea solution?Class 11Chapter 01: SolutionsLevel 5Medium ChemistryWhat is the approximate mass percent of urea in a 0.5 molal aqueous urea solution?Class 11Chapter 01: SolutionsLevel 4Medium ChemistryWhat is the approximate molality of a 98 percent by mass sulfuric acid solution?Class 11Chapter 01: SolutionsLevel 6Hard ChemistryA 98 percent by mass sulfuric acid solution has density 1.84 g mL−1. What is its molarity?Class 11Chapter 01: SolutionsLevel 6Medium ChemistryA portion of 1 molal solution containing 1 kg solvent is mixed with a portion of 2 molal solution containing 0.5 kg solvent. What is the final molality?Class 11Chapter 01: SolutionsLevel 4Medium Chemistry200 g of a 10 percent solution is mixed with 300 g of a 20 percent solution. What is the final mass percent?Class 11Chapter 01: SolutionsLevel 3Easy Chemistry300 g water is added to 100 g of a 20 percent by mass solution. What is the new mass percent?Class 11Chapter 01: SolutionsLevel 5Medium ChemistryA 1 M sodium chloride solution has density 1.05 g mL−1. What is the approximate mass percent of sodium chloride?Class 11Chapter 01: SolutionsLevel 7Hard ChemistryA 1 kg solution contains 0.002 g solute. What is the concentration in ppm?Class 11Chapter 01: SolutionsLevel 4Easy