Chloraseptic sore throat spray contains 0.35 g of the antiseptic phenol dissolved in 25 mL of solution. What is the weight/volume percent concentration of phenol?

Determine the volume percent of a solution made by dissolving: (a) 32.9 mL of butanol in enough ethanol to make 289  mL of solution _______________________% butano (b) 3.0 mL of methanol in enough water to make 22.1 mL of solution ______________ % methanol   c) 45.9 mL of isoamyl alcohol in enough acetone to make 687 mL of solution  __________________% isoamyl alcohol

Prepare 100 mL of a 10mM tris solution using a 1M tris stock (include the amount of water in your answer)

Calculate the amount of (in g) of the NH solute that must be dissolved in 373 g of the mmethanol solvent to obtain a solution with a 0.406 molar concentration? The molar mass of NHg is 17.00 g/mol