Open QuestionCalculate the grams or milliliters of solute needed to prepare the following:c. 250. mL of a 10.0% (v/v) acetic acid solution
Open QuestionA dilute aqueous solution of boric acid, H₃BO₃ is often used as an eyewash. How would you prepare 500.0 mL of a 0.50% (m/v) boric acid solution?
Open QuestionWhat is the mass/volume percent concentration of the following solutions?a. 0.078 mol KCl in 75 mL of solutionb. 0.044 mol sucrose (C₁₂H₂₂ O₁₁) in 380 mL of solution
Open QuestionHow many moles of each substance are needed to prepare the following solutions?a. 50.0 mL of 8.0% (m/v) KCl (MW=74.55g/mol)b. 200.0 mL of 7.5% (m/v) acetic acid (MW=60.05g/mol)
Open QuestionA patient needs 100. g of glucose in the next 12 h. How many liters of a 5% (m/v) glucose solution must be given?
Open QuestionNalorphine, a relative of morphine, is used to combat withdrawal symptoms in heroin users. How many milliliters of a 0.40% (m/v) solution of nalorphine must be injected to obtain a dose of 1.5 mg?
Open QuestionAn 80-proof brandy is a 40.% (v/v) ethanol solution. The 'proof' is twice the percent concentration of alcohol in the beverage. How many milliliters of alcohol are present in 750mL of brandy? (9.4)
Open QuestionA solution is prepared with 70.0 g of HNO₃ and 130.0 g of H₂O. The HNO₃ solution has a density of 1.21 g/mL. (9.4)b. What is the total volume, in milliliters, of the solution?