3. A technician is given 120 ml of a 50% (W/V) potassium chloride solution, and is...

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3. A technician is given 120 ml of a 50% (W/V) potassium chloride solution, and is told to add 300 ml of sterile water to it. What will the final (W/V) percentage concentration be of the solution? 4. A pharmacy receives an order for 280 ml of a 5% salicylic acid solution. How much salicylic acid powder is needed to make the solution? 5. How many ml of a 3% (W/V) solution will be necessary to make 6 ounces of a 1:200 solution? W/V=3g of drug in loome of final volution (OR 3g/100 mL) 3. A technician is given 120 ml of a 50% (W/V) potassium chloride solution, and is told to add 300 ml of sterile water to it. What will the final (W/V) percentage concentration be of the solution? 4. A pharmacy receives an order for 280 ml of a 5% salicylic acid solution. How much salicylic acid powder is needed to make the solution? 5. How many ml of a 3% (W/V) solution will be necessary to make 6 ounces of a 1:200 solution? W/V=3g of drug in loome of final volution (OR 3g/100 mL)