12.5
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To find the grams in 250 ml of a 5% solution, you can use the formula: (volume in ml * percentage concentration / 100). So for this case: (250 ml * 5%/100) = 12.5 grams.
To calculate the mass of medication in the solution, multiply the volume of the solution (500 ml) by the concentration of the medication (10%). Convert the percentage to a decimal by dividing by 100 (10% = 0.10). So, 500 ml x 0.10 = 50 grams of medication in 500 ml of a 10% solution.
To make a 3.7% EDTA solution, you would add 3.7 grams of EDTA to 100 mL of solution.
To make a 10 percent solution, you would need to dilute the 50 percent solution by adding 4 ml of solvent to 1 ml of the 50 percent solution. This will result in a total volume of 5 ml with a 10 percent concentration.
There would be 946 mg (2 mg/ml x 473 ml) of active ingredient in 473 ml of the solution. To convert milligrams to grams, divide by 1000, so 946 mg is equal to 0.946 grams in 473 ml of the solution.
To make a 3% solution, you would need 1.5 grams of sugar for every 50 ml of water.