How many milliliters of a 25% dextrose solution are required to provide 85g?

To determine how many milliliters of a 25% dextrose solution are required to provide 85 grams, we start by understanding that a 25% solution means there are 25 grams of dextrose in every 100 milliliters of solution.

To find out how many milliliters of this solution are needed to get 85 grams of dextrose, we set up a proportion based on the concentration.

Given that 25 grams are found in 100 milliliters, we can write the relationship:

25 grams / 100 mL = 85 grams / X mL

To solve for X (the volume in milliliters), we can cross-multiply:

25 grams * X mL = 85 grams * 100 mL

This simplifies to:

25X = 8500

Now, dividing both sides by 25 gives:

X = 8500 / 25 = 340 mL

Thus, to obtain 85 grams of dextrose from a 25% solution, one would need 340 milliliters of this solution. This confirms that the correct answer is 340 mL.