Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Chemistry
→What is the volume of solute in 2 L of a 15% volume-by-volume solution?
Class 12 · Chemistry
→What is the mass of solute in 1.5 L of a 4% mass-by-volume solution?
Class 12 · Chemistry
→What is the mass of solute in 250 mL of a 0.8 M solution if molar mass is 98 g mol−1?
Class 12 · Chemistry
→What is the mass of solute in 300 mL of a 1.5 M solution if molar mass is 40 g mol−1?
Class 12 · Chemistry
→If the mass ratio of solute to solvent is 2:3, what is the mass percentage of solute?
Class 12 · Chemistry
→If the mass ratio of solute to solvent is 1:4, what is the mass percentage of solute?
Class 12 · Chemistry
→If the mass percentage of solute is 12%, what is the mass ratio of solute to solvent?
Class 12 · Chemistry
→A solution has density 1.25 g mL−1. A 200 g solution contains 25 g solute. What is the approximate mass-volume percentage?
Class 12 · Chemistry
→A solution has 10 g solute and total mass 200 g. If density is 1 g mL−1, what is the mass-volume percentage?
Class 12 · Chemistry
→In 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 12 · Chemistry
→In 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 11 · Chemistry
→46 g ethanol is mixed with 90 g water. Molar masses are 46 and 18 g mol−1, respectively. What is the mole fraction of ethanol?
Class 11 · Chemistry
→32 g methanol is mixed with 84 g water. Molar masses are 32 and 18 g mol−1, respectively. What is the approximate mole fraction of methanol?
Class 12 · Chemistry
→27 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 11 · Chemistry
→The mass fraction of solute is 0.12. What is the mass percentage?
Class 11 · Chemistry
→A solution is made from 15 g solute and 85 g solvent. What is the mass fraction of solute?
Class 11 · Chemistry
→6 g solute is dissolved in 94 g solvent. What is the mass percentage?
Class 12 · Chemistry
→10 g solute is dissolved in 90 g water. If molar mass is 50 g mol−1, what is the molality?
Class 12 · Chemistry
→A student uses mass of solution instead of mass of solvent in the denominator while calculating molality. What will generally happen?
Class 11 · Chemistry
→