Search questions
Choose which content to search, then combine terms with AND or OR.
Class 11 · Chemistry · Easy
→What is the usual effect of increasing temperature on the solubility of gases in liquids?
Class 11 · Chemistry · Easy
→What is the usual effect of increasing temperature on the solubility of solids in liquids?
Class 12 · Chemistry · Easy
→What is a solution called if more solute can still dissolve in it?
Class 12 · Chemistry · Easy
→When a solution cannot dissolve any more solute, what is it called?
Class 12 · Chemistry · Easy
→What is the maximum amount of a solid that can dissolve in a liquid called?
Class 11 · Chemistry · Medium
→Aqueous solutions of the same solute have molalities of 0.25 mol kg⁻¹ and 0.75 mol kg⁻¹. They are mixed using equal masses of water. What is the molality of the resulting solution?
Class 11 · Chemistry · Easy
→36.5 g of hydrogen chloride is dissolved in water to make 250 mL of solution. If the molar mass of hydrogen chloride is 36.5 g mol⁻¹, what is the molarity of the solution?
Class 11 · Chemistry · Easy
→In a solution, mass of solute is 6 g and mass percentage is 4. What is the mass of solvent?
Class 11 · Chemistry · Medium
→0.02 mol solute is present in 500 mL solution. If molar mass of solute is 100 g per mol, what is the mass by volume percentage?
Class 11 · Chemistry · Easy
→In a 0.4 molal solution with water as solvent, how many moles of solute are present in 90 g water?
Class 11 · Chemistry · Easy
→50 mL of a 0.5 mol L^-1 solution contains 0.025 mol solute. If it is concentrated by evaporation to 25 mL, what will be the molarity?
Class 11 · Chemistry · Medium
→A solution has a molarity of 0.4 mol L⁻¹ and a volume of 250 mL. What volume of a 0.1 mol L⁻¹ solution of the same solute will contain the same number of moles?
Class 11 · Chemistry · Medium
→What is the approximate mass percentage of sodium chloride in a 1.0 molal sodium chloride solution? Molar mass is 58.5 g per mol.
Class 11 · Chemistry · Medium
→40 g sodium hydroxide is dissolved in 500 g water. What is the approximate mole fraction of sodium hydroxide?
Class 11 · Chemistry · Medium
→10 mL ethanol is mixed with water to make 250 mL solution. Then 50 mL of this solution is diluted to 200 mL. What is the volume percent of ethanol in the final solution?
Class 11 · Chemistry · Easy
→What is the molarity of sodium ions in 0.1 mol L^-1 sodium sulphate solution, assuming complete ionisation?
Class 11 · Chemistry · Medium
→98 g sulphuric acid is dissolved in water to make 2 L solution. If the acid completely gives two hydrogen ions, what is the molarity of hydrogen ions?
Class 11 · Chemistry · Medium
→In a solution, mole fractions of solute and solvent are equal. If molar masses of solute and solvent are 60 g per mol and 18 g per mol respectively, what is the approximate mass percentage of solute?
Class 11 · Chemistry · Easy
→15 g solute is dissolved to make 300 mL solution. If molar mass of solute is 75 g per mol, what is the molarity of the solution?
Class 11 · Chemistry · Medium
→