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Class 11 · Chemistry
→In a solution the mole fraction of solute is 0.25. If molar mass of solute is 60 and solvent is water what is the approximate mass percent of solute?
Class 11 · Chemistry
→200 mL of 3 M acid is mixed with 400 mL of 1.5 M same acid. Assuming final volume is 600 mL what is the molarity?
Class 11 · Chemistry
→What is the approximate molality of a 68 percent by mass aqueous nitric acid solution?
Class 11 · Chemistry
→A 68 percent by mass nitric acid solution has density 1.42 g mL−1. What is its approximate molarity?
Class 11 · Chemistry
→A 4 M sodium hydroxide solution has density 1.16 g mL−1. What is its approximate molality?
Class 11 · Chemistry
→A 3 molal glucose solution has density 1.15 g mL−1. What is its approximate molarity?
Class 11 · Chemistry
→In an aqueous solution the mole fraction of solute is 0.05. If the solvent is water what is the approximate molality of the solution?
Class 11 · Chemistry
→A solution has 8 percent mass percent of solute and total solution mass is 250 g. What is the mass of solvent?
Class 11 · Chemistry
→A solution has mole fraction of solute 0.6. What is the mole percent of solvent in the same binary solution?
Class 11 · Chemistry
→In which situation is mass-volume percentage directly most useful?
Class 11 · Chemistry
→Which option gives the most correct statement for mole fraction?
Class 11 · Chemistry
→Which option has all relations correct?
Class 11 · Chemistry
→Which concentration term is considered least affected by temperature change, if no substance is lost or removed?
Class 11 · Chemistry
→The volume of a solution increases by 2 percent on heating while moles of solute remain same. What happens to molarity?
Class 11 · Chemistry
→If molality is to be kept the same and mass of solvent is tripled, what change is needed in moles of solute?
Class 11 · Chemistry
→If molarity is to be kept the same and the volume of solution is doubled, what change is needed in moles of solute?
Class 11 · Chemistry
→A solution contains 0.6 mole solute and has molarity 2 M. What is the volume in mL?
Class 11 · Chemistry
→A solution contains 0.4 mole solute and has molarity 0.8 M. What is the volume of the solution?
Class 11 · Chemistry
→A solution contains 50 mg solute and the mass of solution is 2 kg. What is the ppm?
Class 11 · Chemistry
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